Home / 19,508,325.12-29,257,781.76-8,142,612.48

Finding the Fourth Proportional to 19,508,325.12, 29,257,781.76 and 8,142,612.48

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Solution

The fourth proportional to 19,508,325.12, 29,257,781.76 and 8,142,612.48 is: 12,211,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,325.12 : 29,257,781.76 = 8,142,612.48 : x
  2. Step 2: Convert to fraction form
    19,508,325.12/29,257,781.76 = 8,142,612.48/x
  3. Step 3: Cross multiply
    19,508,325.12x = 29,257,781.76 × 8,142,612.48
  4. Step 4: Simplify right side
    19,508,325.12x = 238,234,778,896,092.41
  5. Step 5: Solve for x
    x = 238,234,778,896,092.41/19,508,325.12
  6. Step 6: Final answer
    x = 12,211,954.51

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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.