Home / 13,061,073.11-18,024,292.42-7,180,807.34

Finding the Fourth Proportional to 13,061,073.11, 18,024,292.42 and 7,180,807.34

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Solution

The fourth proportional to 13,061,073.11, 18,024,292.42 and 7,180,807.34 is: 9,909,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061,073.11 : 18,024,292.42 = 7,180,807.34 : x
  2. Step 2: Convert to fraction form
    13,061,073.11/18,024,292.42 = 7,180,807.34/x
  3. Step 3: Cross multiply
    13,061,073.11x = 18,024,292.42 × 7,180,807.34
  4. Step 4: Simplify right side
    13,061,073.11x = 129,428,971,334,951.08
  5. Step 5: Solve for x
    x = 129,428,971,334,951.08/13,061,073.11
  6. Step 6: Final answer
    x = 9,909,520.47

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1.5x scale

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.