Home / 28,495,824.80-42,740,456.70-8,301,066.80

Finding the Fourth Proportional to 28,495,824.80, 42,740,456.70 and 8,301,066.80

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Solution

The fourth proportional to 28,495,824.80, 42,740,456.70 and 8,301,066.80 is: 12,450,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495,824.80 : 42,740,456.70 = 8,301,066.80 : x
  2. Step 2: Convert to fraction form
    28,495,824.80/42,740,456.70 = 8,301,066.80/x
  3. Step 3: Cross multiply
    28,495,824.80x = 42,740,456.70 × 8,301,066.80
  4. Step 4: Simplify right side
    28,495,824.80x = 354,791,386,129,207.56
  5. Step 5: Solve for x
    x = 354,791,386,129,207.56/28,495,824.80
  6. Step 6: Final answer
    x = 12,450,644.56

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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.