Home / 19,948,760.59-29,857,208.95-18,156,143.67

Finding the Fourth Proportional to 19,948,760.59, 29,857,208.95 and 18,156,143.67

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Solution

The fourth proportional to 19,948,760.59, 29,857,208.95 and 18,156,143.67 is: 27,174,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948,760.59 : 29,857,208.95 = 18,156,143.67 : x
  2. Step 2: Convert to fraction form
    19,948,760.59/29,857,208.95 = 18,156,143.67/x
  3. Step 3: Cross multiply
    19,948,760.59x = 29,857,208.95 × 18,156,143.67
  4. Step 4: Simplify right side
    19,948,760.59x = 542,091,775,281,409.88
  5. Step 5: Solve for x
    x = 542,091,775,281,409.88/19,948,760.59
  6. Step 6: Final answer
    x = 27,174,208.28

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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.