Home / 28,078,638.02-38,744,958.12-16,471,966.58

Finding the Fourth Proportional to 28,078,638.02, 38,744,958.12 and 16,471,966.58

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Solution

The fourth proportional to 28,078,638.02, 38,744,958.12 and 16,471,966.58 is: 22,729,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,638.02 : 38,744,958.12 = 16,471,966.58 : x
  2. Step 2: Convert to fraction form
    28,078,638.02/38,744,958.12 = 16,471,966.58/x
  3. Step 3: Cross multiply
    28,078,638.02x = 38,744,958.12 × 16,471,966.58
  4. Step 4: Simplify right side
    28,078,638.02x = 638,205,655,296,139.62
  5. Step 5: Solve for x
    x = 638,205,655,296,139.62/28,078,638.02
  6. Step 6: Final answer
    x = 22,729,224.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.