Home / 9,966,468.60-14,949,702.90-9,871,990.20

Finding the Fourth Proportional to 9,966,468.60, 14,949,702.90 and 9,871,990.20

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Solution

The fourth proportional to 9,966,468.60, 14,949,702.90 and 9,871,990.20 is: 14,807,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,468.60 : 14,949,702.90 = 9,871,990.20 : x
  2. Step 2: Convert to fraction form
    9,966,468.60/14,949,702.90 = 9,871,990.20/x
  3. Step 3: Cross multiply
    9,966,468.60x = 14,949,702.90 × 9,871,990.20
  4. Step 4: Simplify right side
    9,966,468.60x = 147,583,320,521,711.56
  5. Step 5: Solve for x
    x = 147,583,320,521,711.56/9,966,468.60
  6. Step 6: Final answer
    x = 14,807,985.30

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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.