Home / 28,668,139.60-42,974,215.80-25,644,830.80

Finding the Fourth Proportional to 28,668,139.60, 42,974,215.80 and 25,644,830.80

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Solution

The fourth proportional to 28,668,139.60, 42,974,215.80 and 25,644,830.80 is: 38,442,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668,139.60 : 42,974,215.80 = 25,644,830.80 : x
  2. Step 2: Convert to fraction form
    28,668,139.60/42,974,215.80 = 25,644,830.80/x
  3. Step 3: Cross multiply
    28,668,139.60x = 42,974,215.80 × 25,644,830.80
  4. Step 4: Simplify right side
    28,668,139.60x = 1,102,066,492,953,686.62
  5. Step 5: Solve for x
    x = 1,102,066,492,953,686.62/28,668,139.60
  6. Step 6: Final answer
    x = 38,442,204.77

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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.