Home / 13,229,417.30-19,830,129.15-5,139,266.90

Finding the Fourth Proportional to 13,229,417.30, 19,830,129.15 and 5,139,266.90

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Solution

The fourth proportional to 13,229,417.30, 19,830,129.15 and 5,139,266.90 is: 7,703,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229,417.30 : 19,830,129.15 = 5,139,266.90 : x
  2. Step 2: Convert to fraction form
    13,229,417.30/19,830,129.15 = 5,139,266.90/x
  3. Step 3: Cross multiply
    13,229,417.30x = 19,830,129.15 × 5,139,266.90
  4. Step 4: Simplify right side
    13,229,417.30x = 101,912,326,363,320.14
  5. Step 5: Solve for x
    x = 101,912,326,363,320.14/13,229,417.30
  6. Step 6: Final answer
    x = 7,703,462.98

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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.