Home / 40,788,558.80-61,141,929.14-18,944,278.76

Finding the Fourth Proportional to 40,788,558.80, 61,141,929.14 and 18,944,278.76

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Solution

The fourth proportional to 40,788,558.80, 61,141,929.14 and 18,944,278.76 is: 28,397,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788,558.80 : 61,141,929.14 = 18,944,278.76 : x
  2. Step 2: Convert to fraction form
    40,788,558.80/61,141,929.14 = 18,944,278.76/x
  3. Step 3: Cross multiply
    40,788,558.80x = 61,141,929.14 × 18,944,278.76
  4. Step 4: Simplify right side
    40,788,558.80x = 1,158,289,749,361,349.75
  5. Step 5: Solve for x
    x = 1,158,289,749,361,349.75/40,788,558.80
  6. Step 6: Final answer
    x = 28,397,417.89

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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.