Home / 19,320,365.60-28,984,047.60-9,711,562.40

Finding the Fourth Proportional to 19,320,365.60, 28,984,047.60 and 9,711,562.40

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Solution

The fourth proportional to 19,320,365.60, 28,984,047.60 and 9,711,562.40 is: 14,569,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,365.60 : 28,984,047.60 = 9,711,562.40 : x
  2. Step 2: Convert to fraction form
    19,320,365.60/28,984,047.60 = 9,711,562.40/x
  3. Step 3: Cross multiply
    19,320,365.60x = 28,984,047.60 × 9,711,562.40
  4. Step 4: Simplify right side
    19,320,365.60x = 281,480,386,871,970.25
  5. Step 5: Solve for x
    x = 281,480,386,871,970.25/19,320,365.60
  6. Step 6: Final answer
    x = 14,569,102.51

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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.