Home / 15,401,031.06-21,253,429.02-8,432,160.22

Finding the Fourth Proportional to 15,401,031.06, 21,253,429.02 and 8,432,160.22

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Solution

The fourth proportional to 15,401,031.06, 21,253,429.02 and 8,432,160.22 is: 11,636,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,031.06 : 21,253,429.02 = 8,432,160.22 : x
  2. Step 2: Convert to fraction form
    15,401,031.06/21,253,429.02 = 8,432,160.22/x
  3. Step 3: Cross multiply
    15,401,031.06x = 21,253,429.02 × 8,432,160.22
  4. Step 4: Simplify right side
    15,401,031.06x = 179,212,318,721,037.59
  5. Step 5: Solve for x
    x = 179,212,318,721,037.59/15,401,031.06
  6. Step 6: Final answer
    x = 11,636,384.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.