Home / 21,692,729.72-32,539,318.68-5,518,688.60

Finding the Fourth Proportional to 21,692,729.72, 32,539,318.68 and 5,518,688.60

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Solution

The fourth proportional to 21,692,729.72, 32,539,318.68 and 5,518,688.60 is: 8,278,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,729.72 : 32,539,318.68 = 5,518,688.60 : x
  2. Step 2: Convert to fraction form
    21,692,729.72/32,539,318.68 = 5,518,688.60/x
  3. Step 3: Cross multiply
    21,692,729.72x = 32,539,318.68 × 5,518,688.60
  4. Step 4: Simplify right side
    21,692,729.72x = 179,574,367,051,083.03
  5. Step 5: Solve for x
    x = 179,574,367,051,083.03/21,692,729.72
  6. Step 6: Final answer
    x = 8,278,089.91

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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.