Home / 23,107,052.34-31,888,728.81-12,793,775.40

Finding the Fourth Proportional to 23,107,052.34, 31,888,728.81 and 12,793,775.40

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Solution

The fourth proportional to 23,107,052.34, 31,888,728.81 and 12,793,775.40 is: 17,655,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107,052.34 : 31,888,728.81 = 12,793,775.40 : x
  2. Step 2: Convert to fraction form
    23,107,052.34/31,888,728.81 = 12,793,775.40/x
  3. Step 3: Cross multiply
    23,107,052.34x = 31,888,728.81 × 12,793,775.40
  4. Step 4: Simplify right side
    23,107,052.34x = 407,977,234,186,649.25
  5. Step 5: Solve for x
    x = 407,977,234,186,649.25/23,107,052.34
  6. Step 6: Final answer
    x = 17,655,961.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.