Home / 34,209,861.48-47,209,617.72-18,740,496.12

Finding the Fourth Proportional to 34,209,861.48, 47,209,617.72 and 18,740,496.12

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Solution

The fourth proportional to 34,209,861.48, 47,209,617.72 and 18,740,496.12 is: 25,861,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,209,861.48 : 47,209,617.72 = 18,740,496.12 : x
  2. Step 2: Convert to fraction form
    34,209,861.48/47,209,617.72 = 18,740,496.12/x
  3. Step 3: Cross multiply
    34,209,861.48x = 47,209,617.72 × 18,740,496.12
  4. Step 4: Simplify right side
    34,209,861.48x = 884,731,657,708,343.25
  5. Step 5: Solve for x
    x = 884,731,657,708,343.25/34,209,861.48
  6. Step 6: Final answer
    x = 25,861,889.51

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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.