Home / 39,302,098.20-58,961,441.70-12,378,475.80

Finding the Fourth Proportional to 39,302,098.20, 58,961,441.70 and 12,378,475.80

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Solution

The fourth proportional to 39,302,098.20, 58,961,441.70 and 12,378,475.80 is: 18,570,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302,098.20 : 58,961,441.70 = 12,378,475.80 : x
  2. Step 2: Convert to fraction form
    39,302,098.20/58,961,441.70 = 12,378,475.80/x
  3. Step 3: Cross multiply
    39,302,098.20x = 58,961,441.70 × 12,378,475.80
  4. Step 4: Simplify right side
    39,302,098.20x = 729,852,779,216,561
  5. Step 5: Solve for x
    x = 729,852,779,216,561/39,302,098.20
  6. Step 6: Final answer
    x = 18,570,326.08

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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.