Home / 38,972,421.60-58,458,632.40-12,048,799.20

Finding the Fourth Proportional to 38,972,421.60, 58,458,632.40 and 12,048,799.20

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Solution

The fourth proportional to 38,972,421.60, 58,458,632.40 and 12,048,799.20 is: 18,073,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972,421.60 : 58,458,632.40 = 12,048,799.20 : x
  2. Step 2: Convert to fraction form
    38,972,421.60/58,458,632.40 = 12,048,799.20/x
  3. Step 3: Cross multiply
    38,972,421.60x = 58,458,632.40 × 12,048,799.20
  4. Step 4: Simplify right side
    38,972,421.60x = 704,356,323,294,214
  5. Step 5: Solve for x
    x = 704,356,323,294,214/38,972,421.60
  6. Step 6: Final answer
    x = 18,073,198.80

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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.