Home / 8,877,719.54-12,247,767-5,155,916.96

Finding the Fourth Proportional to 8,877,719.54, 12,247,767 and 5,155,916.96

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Solution

The fourth proportional to 8,877,719.54, 12,247,767 and 5,155,916.96 is: 7,113,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,719.54 : 12,247,767 = 5,155,916.96 : x
  2. Step 2: Convert to fraction form
    8,877,719.54/12,247,767 = 5,155,916.96/x
  3. Step 3: Cross multiply
    8,877,719.54x = 12,247,767 × 5,155,916.96
  4. Step 4: Simplify right side
    8,877,719.54x = 63,148,469,628,047.74
  5. Step 5: Solve for x
    x = 63,148,469,628,047.74/8,877,719.54
  6. Step 6: Final answer
    x = 7,113,140.86

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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.