Home / 21,708,056.60-32,562,084.90-13,191,003.80

Finding the Fourth Proportional to 21,708,056.60, 32,562,084.90 and 13,191,003.80

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Solution

The fourth proportional to 21,708,056.60, 32,562,084.90 and 13,191,003.80 is: 19,786,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,056.60 : 32,562,084.90 = 13,191,003.80 : x
  2. Step 2: Convert to fraction form
    21,708,056.60/32,562,084.90 = 13,191,003.80/x
  3. Step 3: Cross multiply
    21,708,056.60x = 32,562,084.90 × 13,191,003.80
  4. Step 4: Simplify right side
    21,708,056.60x = 429,526,585,651,822.62
  5. Step 5: Solve for x
    x = 429,526,585,651,822.62/21,708,056.60
  6. Step 6: Final answer
    x = 19,786,505.70

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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.