Home / 9,490,115.32-13,096,366.20-5,139,206.40

Finding the Fourth Proportional to 9,490,115.32, 13,096,366.20 and 5,139,206.40

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Solution

The fourth proportional to 9,490,115.32, 13,096,366.20 and 5,139,206.40 is: 7,092,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490,115.32 : 13,096,366.20 = 5,139,206.40 : x
  2. Step 2: Convert to fraction form
    9,490,115.32/13,096,366.20 = 5,139,206.40/x
  3. Step 3: Cross multiply
    9,490,115.32x = 13,096,366.20 × 5,139,206.40
  4. Step 4: Simplify right side
    9,490,115.32x = 67,304,928,991,783.68
  5. Step 5: Solve for x
    x = 67,304,928,991,783.68/9,490,115.32
  6. Step 6: Final answer
    x = 7,092,108.65

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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.