Home / 8,969,538.15-12,376,332.81-5,299,052.31

Finding the Fourth Proportional to 8,969,538.15, 12,376,332.81 and 5,299,052.31

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Solution

The fourth proportional to 8,969,538.15, 12,376,332.81 and 5,299,052.31 is: 7,311,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,538.15 : 12,376,332.81 = 5,299,052.31 : x
  2. Step 2: Convert to fraction form
    8,969,538.15/12,376,332.81 = 5,299,052.31/x
  3. Step 3: Cross multiply
    8,969,538.15x = 12,376,332.81 × 5,299,052.31
  4. Step 4: Simplify right side
    8,969,538.15x = 65,582,834,966,159.29
  5. Step 5: Solve for x
    x = 65,582,834,966,159.29/8,969,538.15
  6. Step 6: Final answer
    x = 7,311,729.31

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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.