Home / 28,472,842.60-42,705,116.70-8,275,978.60

Finding the Fourth Proportional to 28,472,842.60, 42,705,116.70 and 8,275,978.60

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Solution

The fourth proportional to 28,472,842.60, 42,705,116.70 and 8,275,978.60 is: 12,412,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472,842.60 : 42,705,116.70 = 8,275,978.60 : x
  2. Step 2: Convert to fraction form
    28,472,842.60/42,705,116.70 = 8,275,978.60/x
  3. Step 3: Cross multiply
    28,472,842.60x = 42,705,116.70 × 8,275,978.60
  4. Step 4: Simplify right side
    28,472,842.60x = 353,426,631,919,702.62
  5. Step 5: Solve for x
    x = 353,426,631,919,702.62/28,472,842.60
  6. Step 6: Final answer
    x = 12,412,762.47

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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.