Home / 12,948,461.20-19,422,691.80-4,428,038.80

Finding the Fourth Proportional to 12,948,461.20, 19,422,691.80 and 4,428,038.80

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Solution

The fourth proportional to 12,948,461.20, 19,422,691.80 and 4,428,038.80 is: 6,642,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,461.20 : 19,422,691.80 = 4,428,038.80 : x
  2. Step 2: Convert to fraction form
    12,948,461.20/19,422,691.80 = 4,428,038.80/x
  3. Step 3: Cross multiply
    12,948,461.20x = 19,422,691.80 × 4,428,038.80
  4. Step 4: Simplify right side
    12,948,461.20x = 86,004,432,890,841.84
  5. Step 5: Solve for x
    x = 86,004,432,890,841.84/12,948,461.20
  6. Step 6: Final answer
    x = 6,642,058.20

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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.