Home / 10,157,399.16-14,017,191.37-5,511,182.86

Finding the Fourth Proportional to 10,157,399.16, 14,017,191.37 and 5,511,182.86

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Solution

The fourth proportional to 10,157,399.16, 14,017,191.37 and 5,511,182.86 is: 7,605,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157,399.16 : 14,017,191.37 = 5,511,182.86 : x
  2. Step 2: Convert to fraction form
    10,157,399.16/14,017,191.37 = 5,511,182.86/x
  3. Step 3: Cross multiply
    10,157,399.16x = 14,017,191.37 × 5,511,182.86
  4. Step 4: Simplify right side
    10,157,399.16x = 77,251,304,823,683.92
  5. Step 5: Solve for x
    x = 77,251,304,823,683.92/10,157,399.16
  6. Step 6: Final answer
    x = 7,605,421.78

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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.