Home / 21,671,918.50-32,464,561.47-13,031,287.92

Finding the Fourth Proportional to 21,671,918.50, 32,464,561.47 and 13,031,287.92

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Solution

The fourth proportional to 21,671,918.50, 32,464,561.47 and 13,031,287.92 is: 19,520,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671,918.50 : 32,464,561.47 = 13,031,287.92 : x
  2. Step 2: Convert to fraction form
    21,671,918.50/32,464,561.47 = 13,031,287.92/x
  3. Step 3: Cross multiply
    21,671,918.50x = 32,464,561.47 × 13,031,287.92
  4. Step 4: Simplify right side
    21,671,918.50x = 423,055,047,712,108.44
  5. Step 5: Solve for x
    x = 423,055,047,712,108.44/21,671,918.50
  6. Step 6: Final answer
    x = 19,520,885.87

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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.