Home / 21,708,403.20-32,515,365.60-13,173,854.40

Finding the Fourth Proportional to 21,708,403.20, 32,515,365.60 and 13,173,854.40

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Solution

The fourth proportional to 21,708,403.20, 32,515,365.60 and 13,173,854.40 is: 19,732,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,403.20 : 32,515,365.60 = 13,173,854.40 : x
  2. Step 2: Convert to fraction form
    21,708,403.20/32,515,365.60 = 13,173,854.40/x
  3. Step 3: Cross multiply
    21,708,403.20x = 32,515,365.60 × 13,173,854.40
  4. Step 4: Simplify right side
    21,708,403.20x = 428,352,692,177,168.69
  5. Step 5: Solve for x
    x = 428,352,692,177,168.69/21,708,403.20
  6. Step 6: Final answer
    x = 19,732,114.25

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1.5x scale

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.