Home / 9,988,531.20-14,982,796.80-5,725,193.40

Finding the Fourth Proportional to 9,988,531.20, 14,982,796.80 and 5,725,193.40

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Solution

The fourth proportional to 9,988,531.20, 14,982,796.80 and 5,725,193.40 is: 8,587,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988,531.20 : 14,982,796.80 = 5,725,193.40 : x
  2. Step 2: Convert to fraction form
    9,988,531.20/14,982,796.80 = 5,725,193.40/x
  3. Step 3: Cross multiply
    9,988,531.20x = 14,982,796.80 × 5,725,193.40
  4. Step 4: Simplify right side
    9,988,531.20x = 85,779,409,352,901.12
  5. Step 5: Solve for x
    x = 85,779,409,352,901.12/9,988,531.20
  6. Step 6: Final answer
    x = 8,587,790.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.