Home / 42,925,460.40-64,386,713.16-12,220,229.88

Finding the Fourth Proportional to 42,925,460.40, 64,386,713.16 and 12,220,229.88

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Solution

The fourth proportional to 42,925,460.40, 64,386,713.16 and 12,220,229.88 is: 18,329,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,925,460.40 : 64,386,713.16 = 12,220,229.88 : x
  2. Step 2: Convert to fraction form
    42,925,460.40/64,386,713.16 = 12,220,229.88/x
  3. Step 3: Cross multiply
    42,925,460.40x = 64,386,713.16 × 12,220,229.88
  4. Step 4: Simplify right side
    42,925,460.40x = 786,820,436,032,821.25
  5. Step 5: Solve for x
    x = 786,820,436,032,821.25/42,925,460.40
  6. Step 6: Final answer
    x = 18,329,924.22

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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.