Home / 15,359,968.17-21,196,691.42-8,484,450.26

Finding the Fourth Proportional to 15,359,968.17, 21,196,691.42 and 8,484,450.26

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Solution

The fourth proportional to 15,359,968.17, 21,196,691.42 and 8,484,450.26 is: 11,708,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,968.17 : 21,196,691.42 = 8,484,450.26 : x
  2. Step 2: Convert to fraction form
    15,359,968.17/21,196,691.42 = 8,484,450.26/x
  3. Step 3: Cross multiply
    15,359,968.17x = 21,196,691.42 × 8,484,450.26
  4. Step 4: Simplify right side
    15,359,968.17x = 179,842,273,881,153.06
  5. Step 5: Solve for x
    x = 179,842,273,881,153.06/15,359,968.17
  6. Step 6: Final answer
    x = 11,708,505.64

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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.