Home / 10,900,923.40-16,351,385.10-8,775,159.40

Finding the Fourth Proportional to 10,900,923.40, 16,351,385.10 and 8,775,159.40

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Solution

The fourth proportional to 10,900,923.40, 16,351,385.10 and 8,775,159.40 is: 13,162,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,923.40 : 16,351,385.10 = 8,775,159.40 : x
  2. Step 2: Convert to fraction form
    10,900,923.40/16,351,385.10 = 8,775,159.40/x
  3. Step 3: Cross multiply
    10,900,923.40x = 16,351,385.10 × 8,775,159.40
  4. Step 4: Simplify right side
    10,900,923.40x = 143,486,010,663,284.94
  5. Step 5: Solve for x
    x = 143,486,010,663,284.94/10,900,923.40
  6. Step 6: Final answer
    x = 13,162,739.10

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1.5x scale

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.