Home / 10,865,400.90-16,300,069.65-5,460,449.10

Finding the Fourth Proportional to 10,865,400.90, 16,300,069.65 and 5,460,449.10

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Solution

The fourth proportional to 10,865,400.90, 16,300,069.65 and 5,460,449.10 is: 8,191,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,400.90 : 16,300,069.65 = 5,460,449.10 : x
  2. Step 2: Convert to fraction form
    10,865,400.90/16,300,069.65 = 5,460,449.10/x
  3. Step 3: Cross multiply
    10,865,400.90x = 16,300,069.65 × 5,460,449.10
  4. Step 4: Simplify right side
    10,865,400.90x = 89,005,700,650,279.81
  5. Step 5: Solve for x
    x = 89,005,700,650,279.81/10,865,400.90
  6. Step 6: Final answer
    x = 8,191,662.83

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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.