Home / 8,291,089.61-12,438,332.18-3,498,779.69

Finding the Fourth Proportional to 8,291,089.61, 12,438,332.18 and 3,498,779.69

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Solution

The fourth proportional to 8,291,089.61, 12,438,332.18 and 3,498,779.69 is: 5,248,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,089.61 : 12,438,332.18 = 3,498,779.69 : x
  2. Step 2: Convert to fraction form
    8,291,089.61/12,438,332.18 = 3,498,779.69/x
  3. Step 3: Cross multiply
    8,291,089.61x = 12,438,332.18 × 3,498,779.69
  4. Step 4: Simplify right side
    8,291,089.61x = 43,518,983,991,363.53
  5. Step 5: Solve for x
    x = 43,518,983,991,363.53/8,291,089.61
  6. Step 6: Final answer
    x = 5,248,885.98

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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.