Home / 28,279,785.55-39,026,129.52-16,056,642.55

Finding the Fourth Proportional to 28,279,785.55, 39,026,129.52 and 16,056,642.55

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Solution

The fourth proportional to 28,279,785.55, 39,026,129.52 and 16,056,642.55 is: 22,158,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279,785.55 : 39,026,129.52 = 16,056,642.55 : x
  2. Step 2: Convert to fraction form
    28,279,785.55/39,026,129.52 = 16,056,642.55/x
  3. Step 3: Cross multiply
    28,279,785.55x = 39,026,129.52 × 16,056,642.55
  4. Step 4: Simplify right side
    28,279,785.55x = 626,628,611,812,643.12
  5. Step 5: Solve for x
    x = 626,628,611,812,643.12/28,279,785.55
  6. Step 6: Final answer
    x = 22,158,181.18

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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.