Home / 13,152,549.17-18,149,785.67-7,271,843.40

Finding the Fourth Proportional to 13,152,549.17, 18,149,785.67 and 7,271,843.40

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Solution

The fourth proportional to 13,152,549.17, 18,149,785.67 and 7,271,843.40 is: 10,034,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,549.17 : 18,149,785.67 = 7,271,843.40 : x
  2. Step 2: Convert to fraction form
    13,152,549.17/18,149,785.67 = 7,271,843.40/x
  3. Step 3: Cross multiply
    13,152,549.17x = 18,149,785.67 × 7,271,843.40
  4. Step 4: Simplify right side
    13,152,549.17x = 131,982,399,099,444.86
  5. Step 5: Solve for x
    x = 131,982,399,099,444.86/13,152,549.17
  6. Step 6: Final answer
    x = 10,034,739.08

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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.