Home / 12,398,423.76-18,597,821.54-4,722,491.16

Finding the Fourth Proportional to 12,398,423.76, 18,597,821.54 and 4,722,491.16

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Solution

The fourth proportional to 12,398,423.76, 18,597,821.54 and 4,722,491.16 is: 7,083,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,423.76 : 18,597,821.54 = 4,722,491.16 : x
  2. Step 2: Convert to fraction form
    12,398,423.76/18,597,821.54 = 4,722,491.16/x
  3. Step 3: Cross multiply
    12,398,423.76x = 18,597,821.54 × 4,722,491.16
  4. Step 4: Simplify right side
    12,398,423.76x = 87,828,047,794,295.14
  5. Step 5: Solve for x
    x = 87,828,047,794,295.14/12,398,423.76
  6. Step 6: Final answer
    x = 7,083,807.55

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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.