Home / 31,853,808.66-47,780,883.63-7,919,280.66

Finding the Fourth Proportional to 31,853,808.66, 47,780,883.63 and 7,919,280.66

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Solution

The fourth proportional to 31,853,808.66, 47,780,883.63 and 7,919,280.66 is: 11,878,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853,808.66 : 47,780,883.63 = 7,919,280.66 : x
  2. Step 2: Convert to fraction form
    31,853,808.66/47,780,883.63 = 7,919,280.66/x
  3. Step 3: Cross multiply
    31,853,808.66x = 47,780,883.63 × 7,919,280.66
  4. Step 4: Simplify right side
    31,853,808.66x = 378,390,227,648,769.62
  5. Step 5: Solve for x
    x = 378,390,227,648,769.62/31,853,808.66
  6. Step 6: Final answer
    x = 11,878,963.41

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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.