Home / 21,781,555.20-32,672,332.80-16,679,721.60

Finding the Fourth Proportional to 21,781,555.20, 32,672,332.80 and 16,679,721.60

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Solution

The fourth proportional to 21,781,555.20, 32,672,332.80 and 16,679,721.60 is: 25,019,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,555.20 : 32,672,332.80 = 16,679,721.60 : x
  2. Step 2: Convert to fraction form
    21,781,555.20/32,672,332.80 = 16,679,721.60/x
  3. Step 3: Cross multiply
    21,781,555.20x = 32,672,332.80 × 16,679,721.60
  4. Step 4: Simplify right side
    21,781,555.20x = 544,965,415,126,548.50
  5. Step 5: Solve for x
    x = 544,965,415,126,548.50/21,781,555.20
  6. Step 6: Final answer
    x = 25,019,582.40

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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.