Home / 34,209,864.48-47,209,621.86-18,740,499.12

Finding the Fourth Proportional to 34,209,864.48, 47,209,621.86 and 18,740,499.12

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Solution

The fourth proportional to 34,209,864.48, 47,209,621.86 and 18,740,499.12 is: 25,861,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,209,864.48 : 47,209,621.86 = 18,740,499.12 : x
  2. Step 2: Convert to fraction form
    34,209,864.48/47,209,621.86 = 18,740,499.12/x
  3. Step 3: Cross multiply
    34,209,864.48x = 47,209,621.86 × 18,740,499.12
  4. Step 4: Simplify right side
    34,209,864.48x = 884,731,876,922,862.75
  5. Step 5: Solve for x
    x = 884,731,876,922,862.75/34,209,864.48
  6. Step 6: Final answer
    x = 25,861,893.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.