Home / 15,581,412.16-23,478,472.72-12,803,747.20

Finding the Fourth Proportional to 15,581,412.16, 23,478,472.72 and 12,803,747.20

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Solution

The fourth proportional to 15,581,412.16, 23,478,472.72 and 12,803,747.20 is: 19,293,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581,412.16 : 23,478,472.72 = 12,803,747.20 : x
  2. Step 2: Convert to fraction form
    15,581,412.16/23,478,472.72 = 12,803,747.20/x
  3. Step 3: Cross multiply
    15,581,412.16x = 23,478,472.72 × 12,803,747.20
  4. Step 4: Simplify right side
    15,581,412.16x = 300,612,429,348,976.38
  5. Step 5: Solve for x
    x = 300,612,429,348,976.38/15,581,412.16
  6. Step 6: Final answer
    x = 19,293,015.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.