Home / 17,820,020.70-26,730,031.05-11,761,593.30

Finding the Fourth Proportional to 17,820,020.70, 26,730,031.05 and 11,761,593.30

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Solution

The fourth proportional to 17,820,020.70, 26,730,031.05 and 11,761,593.30 is: 17,642,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820,020.70 : 26,730,031.05 = 11,761,593.30 : x
  2. Step 2: Convert to fraction form
    17,820,020.70/26,730,031.05 = 11,761,593.30/x
  3. Step 3: Cross multiply
    17,820,020.70x = 26,730,031.05 × 11,761,593.30
  4. Step 4: Simplify right side
    17,820,020.70x = 314,387,754,106,472
  5. Step 5: Solve for x
    x = 314,387,754,106,472/17,820,020.70
  6. Step 6: Final answer
    x = 17,642,389.95

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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.