Home / 10,900,967.40-16,351,451.10-8,775,203.40

Finding the Fourth Proportional to 10,900,967.40, 16,351,451.10 and 8,775,203.40

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Solution

The fourth proportional to 10,900,967.40, 16,351,451.10 and 8,775,203.40 is: 13,162,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,967.40 : 16,351,451.10 = 8,775,203.40 : x
  2. Step 2: Convert to fraction form
    10,900,967.40/16,351,451.10 = 8,775,203.40/x
  3. Step 3: Cross multiply
    10,900,967.40x = 16,351,451.10 × 8,775,203.40
  4. Step 4: Simplify right side
    10,900,967.40x = 143,487,309,287,653.75
  5. Step 5: Solve for x
    x = 143,487,309,287,653.75/10,900,967.40
  6. Step 6: Final answer
    x = 13,162,805.10

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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.