Home / 28,152,026.70-42,228,040.05-8,984,721.30

Finding the Fourth Proportional to 28,152,026.70, 42,228,040.05 and 8,984,721.30

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Solution

The fourth proportional to 28,152,026.70, 42,228,040.05 and 8,984,721.30 is: 13,477,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152,026.70 : 42,228,040.05 = 8,984,721.30 : x
  2. Step 2: Convert to fraction form
    28,152,026.70/42,228,040.05 = 8,984,721.30/x
  3. Step 3: Cross multiply
    28,152,026.70x = 42,228,040.05 × 8,984,721.30
  4. Step 4: Simplify right side
    28,152,026.70x = 379,407,170,894,488.06
  5. Step 5: Solve for x
    x = 379,407,170,894,488.06/28,152,026.70
  6. Step 6: Final answer
    x = 13,477,081.95

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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.