Home / 18,042,767.40-27,064,151.10-8,459,114.70

Finding the Fourth Proportional to 18,042,767.40, 27,064,151.10 and 8,459,114.70

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Solution

The fourth proportional to 18,042,767.40, 27,064,151.10 and 8,459,114.70 is: 12,688,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,767.40 : 27,064,151.10 = 8,459,114.70 : x
  2. Step 2: Convert to fraction form
    18,042,767.40/27,064,151.10 = 8,459,114.70/x
  3. Step 3: Cross multiply
    18,042,767.40x = 27,064,151.10 × 8,459,114.70
  4. Step 4: Simplify right side
    18,042,767.40x = 228,938,758,413,031.16
  5. Step 5: Solve for x
    x = 228,938,758,413,031.16/18,042,767.40
  6. Step 6: Final answer
    x = 12,688,672.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.