Home / 28,152,031.20-42,228,046.80-8,984,725.80

Finding the Fourth Proportional to 28,152,031.20, 42,228,046.80 and 8,984,725.80

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Solution

The fourth proportional to 28,152,031.20, 42,228,046.80 and 8,984,725.80 is: 13,477,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152,031.20 : 42,228,046.80 = 8,984,725.80 : x
  2. Step 2: Convert to fraction form
    28,152,031.20/42,228,046.80 = 8,984,725.80/x
  3. Step 3: Cross multiply
    28,152,031.20x = 42,228,046.80 × 8,984,725.80
  4. Step 4: Simplify right side
    28,152,031.20x = 379,407,421,567,567.44
  5. Step 5: Solve for x
    x = 379,407,421,567,567.44/28,152,031.20
  6. Step 6: Final answer
    x = 13,477,088.70

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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.