Home / 15,838,424.25-21,857,025.47-8,595,080.25

Finding the Fourth Proportional to 15,838,424.25, 21,857,025.47 and 8,595,080.25

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Solution

The fourth proportional to 15,838,424.25, 21,857,025.47 and 8,595,080.25 is: 11,861,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838,424.25 : 21,857,025.47 = 8,595,080.25 : x
  2. Step 2: Convert to fraction form
    15,838,424.25/21,857,025.47 = 8,595,080.25/x
  3. Step 3: Cross multiply
    15,838,424.25x = 21,857,025.47 × 8,595,080.25
  4. Step 4: Simplify right side
    15,838,424.25x = 187,862,887,897,968.56
  5. Step 5: Solve for x
    x = 187,862,887,897,968.56/15,838,424.25
  6. Step 6: Final answer
    x = 11,861,210.75

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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.