Home / 13,121,597.20-19,681,660.12-4,023,669.85

Finding the Fourth Proportional to 13,121,597.20, 19,681,660.12 and 4,023,669.85

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Solution

The fourth proportional to 13,121,597.20, 19,681,660.12 and 4,023,669.85 is: 6,035,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,597.20 : 19,681,660.12 = 4,023,669.85 : x
  2. Step 2: Convert to fraction form
    13,121,597.20/19,681,660.12 = 4,023,669.85/x
  3. Step 3: Cross multiply
    13,121,597.20x = 19,681,660.12 × 4,023,669.85
  4. Step 4: Simplify right side
    13,121,597.20x = 79,192,502,466,674.81
  5. Step 5: Solve for x
    x = 79,192,502,466,674.81/13,121,597.20
  6. Step 6: Final answer
    x = 6,035,279.19

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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.