Home / 10,002,970.28-13,804,165.26-5,419,291.66

Finding the Fourth Proportional to 10,002,970.28, 13,804,165.26 and 5,419,291.66

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Solution

The fourth proportional to 10,002,970.28, 13,804,165.26 and 5,419,291.66 is: 7,478,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,970.28 : 13,804,165.26 = 5,419,291.66 : x
  2. Step 2: Convert to fraction form
    10,002,970.28/13,804,165.26 = 5,419,291.66/x
  3. Step 3: Cross multiply
    10,002,970.28x = 13,804,165.26 × 5,419,291.66
  4. Step 4: Simplify right side
    10,002,970.28x = 74,808,797,666,779.73
  5. Step 5: Solve for x
    x = 74,808,797,666,779.73/10,002,970.28
  6. Step 6: Final answer
    x = 7,478,658.40

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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.