Home / 28,495,819.80-42,740,449.20-8,301,061.80

Finding the Fourth Proportional to 28,495,819.80, 42,740,449.20 and 8,301,061.80

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Solution

The fourth proportional to 28,495,819.80, 42,740,449.20 and 8,301,061.80 is: 12,450,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495,819.80 : 42,740,449.20 = 8,301,061.80 : x
  2. Step 2: Convert to fraction form
    28,495,819.80/42,740,449.20 = 8,301,061.80/x
  3. Step 3: Cross multiply
    28,495,819.80x = 42,740,449.20 × 8,301,061.80
  4. Step 4: Simplify right side
    28,495,819.80x = 354,791,110,168,960.56
  5. Step 5: Solve for x
    x = 354,791,110,168,960.56/28,495,819.80
  6. Step 6: Final answer
    x = 12,450,637.06

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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.