Home / 15,601,528.55-21,529,992.30-8,726,010.61

Finding the Fourth Proportional to 15,601,528.55, 21,529,992.30 and 8,726,010.61

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Solution

The fourth proportional to 15,601,528.55, 21,529,992.30 and 8,726,010.61 is: 12,041,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601,528.55 : 21,529,992.30 = 8,726,010.61 : x
  2. Step 2: Convert to fraction form
    15,601,528.55/21,529,992.30 = 8,726,010.61/x
  3. Step 3: Cross multiply
    15,601,528.55x = 21,529,992.30 × 8,726,010.61
  4. Step 4: Simplify right side
    15,601,528.55x = 187,870,941,243,018.28
  5. Step 5: Solve for x
    x = 187,870,941,243,018.28/15,601,528.55
  6. Step 6: Final answer
    x = 12,041,829.15

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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.