Home / 12,228,927.70-18,343,391.55-9,403,302.10

Finding the Fourth Proportional to 12,228,927.70, 18,343,391.55 and 9,403,302.10

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Solution

The fourth proportional to 12,228,927.70, 18,343,391.55 and 9,403,302.10 is: 14,104,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,927.70 : 18,343,391.55 = 9,403,302.10 : x
  2. Step 2: Convert to fraction form
    12,228,927.70/18,343,391.55 = 9,403,302.10/x
  3. Step 3: Cross multiply
    12,228,927.70x = 18,343,391.55 × 9,403,302.10
  4. Step 4: Simplify right side
    12,228,927.70x = 172,488,452,283,237.25
  5. Step 5: Solve for x
    x = 172,488,452,283,237.25/12,228,927.70
  6. Step 6: Final answer
    x = 14,104,953.15

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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.