Home / 9,871,903.20-14,807,854.80-3,140,997.60

Finding the Fourth Proportional to 9,871,903.20, 14,807,854.80 and 3,140,997.60

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Solution

The fourth proportional to 9,871,903.20, 14,807,854.80 and 3,140,997.60 is: 4,711,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,903.20 : 14,807,854.80 = 3,140,997.60 : x
  2. Step 2: Convert to fraction form
    9,871,903.20/14,807,854.80 = 3,140,997.60/x
  3. Step 3: Cross multiply
    9,871,903.20x = 14,807,854.80 × 3,140,997.60
  4. Step 4: Simplify right side
    9,871,903.20x = 46,511,436,387,948.48
  5. Step 5: Solve for x
    x = 46,511,436,387,948.48/9,871,903.20
  6. Step 6: Final answer
    x = 4,711,496.40

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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.