Home / 18,683,434.10-28,025,151.15-8,586,055.10

Finding the Fourth Proportional to 18,683,434.10, 28,025,151.15 and 8,586,055.10

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Solution

The fourth proportional to 18,683,434.10, 28,025,151.15 and 8,586,055.10 is: 12,879,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,434.10 : 28,025,151.15 = 8,586,055.10 : x
  2. Step 2: Convert to fraction form
    18,683,434.10/28,025,151.15 = 8,586,055.10/x
  3. Step 3: Cross multiply
    18,683,434.10x = 28,025,151.15 × 8,586,055.10
  4. Step 4: Simplify right side
    18,683,434.10x = 240,625,491,959,728.34
  5. Step 5: Solve for x
    x = 240,625,491,959,728.34/18,683,434.10
  6. Step 6: Final answer
    x = 12,879,082.65

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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.