Home / 12,948,825.40-19,425,830.10-3,850,905.40

Finding the Fourth Proportional to 12,948,825.40, 19,425,830.10 and 3,850,905.40

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Solution

The fourth proportional to 12,948,825.40, 19,425,830.10 and 3,850,905.40 is: 5,777,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,825.40 : 19,425,830.10 = 3,850,905.40 : x
  2. Step 2: Convert to fraction form
    12,948,825.40/19,425,830.10 = 3,850,905.40/x
  3. Step 3: Cross multiply
    12,948,825.40x = 19,425,830.10 × 3,850,905.40
  4. Step 4: Simplify right side
    12,948,825.40x = 74,807,034,031,572.55
  5. Step 5: Solve for x
    x = 74,807,034,031,572.55/12,948,825.40
  6. Step 6: Final answer
    x = 5,777,128.95

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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.