Home / 15,268,711.60-21,070,971.62-8,299,384.82

Finding the Fourth Proportional to 15,268,711.60, 21,070,971.62 and 8,299,384.82

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Solution

The fourth proportional to 15,268,711.60, 21,070,971.62 and 8,299,384.82 is: 11,453,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,711.60 : 21,070,971.62 = 8,299,384.82 : x
  2. Step 2: Convert to fraction form
    15,268,711.60/21,070,971.62 = 8,299,384.82/x
  3. Step 3: Cross multiply
    15,268,711.60x = 21,070,971.62 × 8,299,384.82
  4. Step 4: Simplify right side
    15,268,711.60x = 174,876,102,087,490.06
  5. Step 5: Solve for x
    x = 174,876,102,087,490.06/15,268,711.60
  6. Step 6: Final answer
    x = 11,453,232.38

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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.