Home / 28,970,082.70-43,455,124.05-18,194,952.40

Finding the Fourth Proportional to 28,970,082.70, 43,455,124.05 and 18,194,952.40

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Solution

The fourth proportional to 28,970,082.70, 43,455,124.05 and 18,194,952.40 is: 27,292,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,082.70 : 43,455,124.05 = 18,194,952.40 : x
  2. Step 2: Convert to fraction form
    28,970,082.70/43,455,124.05 = 18,194,952.40/x
  3. Step 3: Cross multiply
    28,970,082.70x = 43,455,124.05 × 18,194,952.40
  4. Step 4: Simplify right side
    28,970,082.70x = 790,663,913,625,845.12
  5. Step 5: Solve for x
    x = 790,663,913,625,845.12/28,970,082.70
  6. Step 6: Final answer
    x = 27,292,428.60

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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.