Home / 13,862,330.85-19,124,158.92-9,280,128.45

Finding the Fourth Proportional to 13,862,330.85, 19,124,158.92 and 9,280,128.45

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Solution

The fourth proportional to 13,862,330.85, 19,124,158.92 and 9,280,128.45 is: 12,802,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,330.85 : 19,124,158.92 = 9,280,128.45 : x
  2. Step 2: Convert to fraction form
    13,862,330.85/19,124,158.92 = 9,280,128.45/x
  3. Step 3: Cross multiply
    13,862,330.85x = 19,124,158.92 × 9,280,128.45
  4. Step 4: Simplify right side
    13,862,330.85x = 177,474,651,275,813.28
  5. Step 5: Solve for x
    x = 177,474,651,275,813.28/13,862,330.85
  6. Step 6: Final answer
    x = 12,802,655.86

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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.