Home / 10,289,120.88-14,199,247.52-5,643,090.88

Finding the Fourth Proportional to 10,289,120.88, 14,199,247.52 and 5,643,090.88

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Solution

The fourth proportional to 10,289,120.88, 14,199,247.52 and 5,643,090.88 is: 7,787,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289,120.88 : 14,199,247.52 = 5,643,090.88 : x
  2. Step 2: Convert to fraction form
    10,289,120.88/14,199,247.52 = 5,643,090.88/x
  3. Step 3: Cross multiply
    10,289,120.88x = 14,199,247.52 × 5,643,090.88
  4. Step 4: Simplify right side
    10,289,120.88x = 80,127,644,182,974.61
  5. Step 5: Solve for x
    x = 80,127,644,182,974.61/10,289,120.88
  6. Step 6: Final answer
    x = 7,787,608.40

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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.