Home / 9,121,167.83-12,587,211.05-4,991,199.50

Finding the Fourth Proportional to 9,121,167.83, 12,587,211.05 and 4,991,199.50

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Solution

The fourth proportional to 9,121,167.83, 12,587,211.05 and 4,991,199.50 is: 6,887,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,167.83 : 12,587,211.05 = 4,991,199.50 : x
  2. Step 2: Convert to fraction form
    9,121,167.83/12,587,211.05 = 4,991,199.50/x
  3. Step 3: Cross multiply
    9,121,167.83x = 12,587,211.05 × 4,991,199.50
  4. Step 4: Simplify right side
    9,121,167.83x = 62,825,281,411,262.42
  5. Step 5: Solve for x
    x = 62,825,281,411,262.42/9,121,167.83
  6. Step 6: Final answer
    x = 6,887,855.00

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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.