Home / 40,498,826.40-60,748,239.60-12,131,978.40

Finding the Fourth Proportional to 40,498,826.40, 60,748,239.60 and 12,131,978.40

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Solution

The fourth proportional to 40,498,826.40, 60,748,239.60 and 12,131,978.40 is: 18,197,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,498,826.40 : 60,748,239.60 = 12,131,978.40 : x
  2. Step 2: Convert to fraction form
    40,498,826.40/60,748,239.60 = 12,131,978.40/x
  3. Step 3: Cross multiply
    40,498,826.40x = 60,748,239.60 × 12,131,978.40
  4. Step 4: Simplify right side
    40,498,826.40x = 736,996,330,665,224.62
  5. Step 5: Solve for x
    x = 736,996,330,665,224.62/40,498,826.40
  6. Step 6: Final answer
    x = 18,197,967.60

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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.