Home / 13,581,903.88-18,737,497.56-7,700,298.04

Finding the Fourth Proportional to 13,581,903.88, 18,737,497.56 and 7,700,298.04

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Solution

The fourth proportional to 13,581,903.88, 18,737,497.56 and 7,700,298.04 is: 10,623,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,903.88 : 18,737,497.56 = 7,700,298.04 : x
  2. Step 2: Convert to fraction form
    13,581,903.88/18,737,497.56 = 7,700,298.04/x
  3. Step 3: Cross multiply
    13,581,903.88x = 18,737,497.56 × 7,700,298.04
  4. Step 4: Simplify right side
    13,581,903.88x = 144,284,315,735,772.78
  5. Step 5: Solve for x
    x = 144,284,315,735,772.78/13,581,903.88
  6. Step 6: Final answer
    x = 10,623,276.16

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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.