Home / 10,366,292.78-15,549,439.17-10,206,860.48

Finding the Fourth Proportional to 10,366,292.78, 15,549,439.17 and 10,206,860.48

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Solution

The fourth proportional to 10,366,292.78, 15,549,439.17 and 10,206,860.48 is: 15,310,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,292.78 : 15,549,439.17 = 10,206,860.48 : x
  2. Step 2: Convert to fraction form
    10,366,292.78/15,549,439.17 = 10,206,860.48/x
  3. Step 3: Cross multiply
    10,366,292.78x = 15,549,439.17 × 10,206,860.48
  4. Step 4: Simplify right side
    10,366,292.78x = 158,710,956,150,437
  5. Step 5: Solve for x
    x = 158,710,956,150,437/10,366,292.78
  6. Step 6: Final answer
    x = 15,310,290.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.