Home / 28,039,591.34-42,074,205.44-19,894,870.08

Finding the Fourth Proportional to 28,039,591.34, 42,074,205.44 and 19,894,870.08

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Solution

The fourth proportional to 28,039,591.34, 42,074,205.44 and 19,894,870.08 is: 29,852,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,591.34 : 42,074,205.44 = 19,894,870.08 : x
  2. Step 2: Convert to fraction form
    28,039,591.34/42,074,205.44 = 19,894,870.08/x
  3. Step 3: Cross multiply
    28,039,591.34x = 42,074,205.44 × 19,894,870.08
  4. Step 4: Simplify right side
    28,039,591.34x = 837,060,850,948,029.12
  5. Step 5: Solve for x
    x = 837,060,850,948,029.12/28,039,591.34
  6. Step 6: Final answer
    x = 29,852,819.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.