Home / 10,402,406.30-15,603,609.45-6,371,327.90

Finding the Fourth Proportional to 10,402,406.30, 15,603,609.45 and 6,371,327.90

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Solution

The fourth proportional to 10,402,406.30, 15,603,609.45 and 6,371,327.90 is: 9,556,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,406.30 : 15,603,609.45 = 6,371,327.90 : x
  2. Step 2: Convert to fraction form
    10,402,406.30/15,603,609.45 = 6,371,327.90/x
  3. Step 3: Cross multiply
    10,402,406.30x = 15,603,609.45 × 6,371,327.90
  4. Step 4: Simplify right side
    10,402,406.30x = 99,415,712,229,488.66
  5. Step 5: Solve for x
    x = 99,415,712,229,488.66/10,402,406.30
  6. Step 6: Final answer
    x = 9,556,991.85

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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.