Home / 15,401,030.81-21,253,428.68-8,432,159.97

Finding the Fourth Proportional to 15,401,030.81, 21,253,428.68 and 8,432,159.97

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Solution

The fourth proportional to 15,401,030.81, 21,253,428.68 and 8,432,159.97 is: 11,636,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,030.81 : 21,253,428.68 = 8,432,159.97 : x
  2. Step 2: Convert to fraction form
    15,401,030.81/21,253,428.68 = 8,432,159.97/x
  3. Step 3: Cross multiply
    15,401,030.81x = 21,253,428.68 × 8,432,159.97
  4. Step 4: Simplify right side
    15,401,030.81x = 179,212,310,498,585.16
  5. Step 5: Solve for x
    x = 179,212,310,498,585.16/15,401,030.81
  6. Step 6: Final answer
    x = 11,636,384.13

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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.