Home / 43,478,200.80-65,217,301.20-13,187,570.40

Finding the Fourth Proportional to 43,478,200.80, 65,217,301.20 and 13,187,570.40

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Solution

The fourth proportional to 43,478,200.80, 65,217,301.20 and 13,187,570.40 is: 19,781,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,478,200.80 : 65,217,301.20 = 13,187,570.40 : x
  2. Step 2: Convert to fraction form
    43,478,200.80/65,217,301.20 = 13,187,570.40/x
  3. Step 3: Cross multiply
    43,478,200.80x = 65,217,301.20 × 13,187,570.40
  4. Step 4: Simplify right side
    43,478,200.80x = 860,057,750,873,004.50
  5. Step 5: Solve for x
    x = 860,057,750,873,004.50/43,478,200.80
  6. Step 6: Final answer
    x = 19,781,355.60

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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.