Home / 13,152,869.60-19,729,304.40-8,381,710.40

Finding the Fourth Proportional to 13,152,869.60, 19,729,304.40 and 8,381,710.40

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Solution

The fourth proportional to 13,152,869.60, 19,729,304.40 and 8,381,710.40 is: 12,572,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,869.60 : 19,729,304.40 = 8,381,710.40 : x
  2. Step 2: Convert to fraction form
    13,152,869.60/19,729,304.40 = 8,381,710.40/x
  3. Step 3: Cross multiply
    13,152,869.60x = 19,729,304.40 × 8,381,710.40
  4. Step 4: Simplify right side
    13,152,869.60x = 165,365,315,874,245.75
  5. Step 5: Solve for x
    x = 165,365,315,874,245.75/13,152,869.60
  6. Step 6: Final answer
    x = 12,572,565.60

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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.