Home / 8,423,478.78-11,624,365.53-4,555,990.68

Finding the Fourth Proportional to 8,423,478.78, 11,624,365.53 and 4,555,990.68

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Solution

The fourth proportional to 8,423,478.78, 11,624,365.53 and 4,555,990.68 is: 6,287,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,478.78 : 11,624,365.53 = 4,555,990.68 : x
  2. Step 2: Convert to fraction form
    8,423,478.78/11,624,365.53 = 4,555,990.68/x
  3. Step 3: Cross multiply
    8,423,478.78x = 11,624,365.53 × 4,555,990.68
  4. Step 4: Simplify right side
    8,423,478.78x = 52,960,501,015,593.25
  5. Step 5: Solve for x
    x = 52,960,501,015,593.25/8,423,478.78
  6. Step 6: Final answer
    x = 6,287,248.11

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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.