Home / 25,294,719.87-37,918,830.15-9,116,711.78

Finding the Fourth Proportional to 25,294,719.87, 37,918,830.15 and 9,116,711.78

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Solution

The fourth proportional to 25,294,719.87, 37,918,830.15 and 9,116,711.78 is: 13,666,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294,719.87 : 37,918,830.15 = 9,116,711.78 : x
  2. Step 2: Convert to fraction form
    25,294,719.87/37,918,830.15 = 9,116,711.78/x
  3. Step 3: Cross multiply
    25,294,719.87x = 37,918,830.15 × 9,116,711.78
  4. Step 4: Simplify right side
    25,294,719.87x = 345,695,045,322,730
  5. Step 5: Solve for x
    x = 345,695,045,322,730/25,294,719.87
  6. Step 6: Final answer
    x = 13,666,688.03

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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.