Home / 28,288,834.80-42,333,719.40-25,900,047.60

Finding the Fourth Proportional to 28,288,834.80, 42,333,719.40 and 25,900,047.60

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Solution

The fourth proportional to 28,288,834.80, 42,333,719.40 and 25,900,047.60 is: 38,758,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288,834.80 : 42,333,719.40 = 25,900,047.60 : x
  2. Step 2: Convert to fraction form
    28,288,834.80/42,333,719.40 = 25,900,047.60/x
  3. Step 3: Cross multiply
    28,288,834.80x = 42,333,719.40 × 25,900,047.60
  4. Step 4: Simplify right side
    28,288,834.80x = 1,096,445,347,545,043.50
  5. Step 5: Solve for x
    x = 1,096,445,347,545,043.50/28,288,834.80
  6. Step 6: Final answer
    x = 38,758,943.42

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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.