Home / 21,425,557.80-32,125,386.02-8,631,119.37

Finding the Fourth Proportional to 21,425,557.80, 32,125,386.02 and 8,631,119.37

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Solution

The fourth proportional to 21,425,557.80, 32,125,386.02 and 8,631,119.37 is: 12,941,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,557.80 : 32,125,386.02 = 8,631,119.37 : x
  2. Step 2: Convert to fraction form
    21,425,557.80/32,125,386.02 = 8,631,119.37/x
  3. Step 3: Cross multiply
    21,425,557.80x = 32,125,386.02 × 8,631,119.37
  4. Step 4: Simplify right side
    21,425,557.80x = 277,278,041,502,793.59
  5. Step 5: Solve for x
    x = 277,278,041,502,793.59/21,425,557.80
  6. Step 6: Final answer
    x = 12,941,461.97

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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.