Home / 40,471,072-60,702,136.80-10,178,946.88

Finding the Fourth Proportional to 40,471,072, 60,702,136.80 and 10,178,946.88

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Solution

The fourth proportional to 40,471,072, 60,702,136.80 and 10,178,946.88 is: 15,267,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471,072 : 60,702,136.80 = 10,178,946.88 : x
  2. Step 2: Convert to fraction form
    40,471,072/60,702,136.80 = 10,178,946.88/x
  3. Step 3: Cross multiply
    40,471,072x = 60,702,136.80 × 10,178,946.88
  4. Step 4: Simplify right side
    40,471,072x = 617,883,825,989,693.25
  5. Step 5: Solve for x
    x = 617,883,825,989,693.25/40,471,072
  6. Step 6: Final answer
    x = 15,267,295.76

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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.