Home / 8,686,513.30-11,982,407.98-5,417,652.90

Finding the Fourth Proportional to 8,686,513.30, 11,982,407.98 and 5,417,652.90

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Solution

The fourth proportional to 8,686,513.30, 11,982,407.98 and 5,417,652.90 is: 7,473,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,513.30 : 11,982,407.98 = 5,417,652.90 : x
  2. Step 2: Convert to fraction form
    8,686,513.30/11,982,407.98 = 5,417,652.90/x
  3. Step 3: Cross multiply
    8,686,513.30x = 11,982,407.98 × 5,417,652.90
  4. Step 4: Simplify right side
    8,686,513.30x = 64,916,527,376,150.98
  5. Step 5: Solve for x
    x = 64,916,527,376,150.98/8,686,513.30
  6. Step 6: Final answer
    x = 7,473,254.82

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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.