Home / 10,368,742.70-15,553,114.05-8,857,088.30

Finding the Fourth Proportional to 10,368,742.70, 15,553,114.05 and 8,857,088.30

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Solution

The fourth proportional to 10,368,742.70, 15,553,114.05 and 8,857,088.30 is: 13,285,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,742.70 : 15,553,114.05 = 8,857,088.30 : x
  2. Step 2: Convert to fraction form
    10,368,742.70/15,553,114.05 = 8,857,088.30/x
  3. Step 3: Cross multiply
    10,368,742.70x = 15,553,114.05 × 8,857,088.30
  4. Step 4: Simplify right side
    10,368,742.70x = 137,755,304,480,820.64
  5. Step 5: Solve for x
    x = 137,755,304,480,820.64/10,368,742.70
  6. Step 6: Final answer
    x = 13,285,632.45

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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.