Home / 12,154,210.60-18,231,315.90-4,961,021.80

Finding the Fourth Proportional to 12,154,210.60, 18,231,315.90 and 4,961,021.80

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Solution

The fourth proportional to 12,154,210.60, 18,231,315.90 and 4,961,021.80 is: 7,441,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,210.60 : 18,231,315.90 = 4,961,021.80 : x
  2. Step 2: Convert to fraction form
    12,154,210.60/18,231,315.90 = 4,961,021.80/x
  3. Step 3: Cross multiply
    12,154,210.60x = 18,231,315.90 × 4,961,021.80
  4. Step 4: Simplify right side
    12,154,210.60x = 90,445,955,622,586.61
  5. Step 5: Solve for x
    x = 90,445,955,622,586.61/12,154,210.60
  6. Step 6: Final answer
    x = 7,441,532.70

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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.