Home / 31,007,765.42-42,791,260.38-16,879,358.08

Finding the Fourth Proportional to 31,007,765.42, 42,791,260.38 and 16,879,358.08

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Solution

The fourth proportional to 31,007,765.42, 42,791,260.38 and 16,879,358.08 is: 23,293,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007,765.42 : 42,791,260.38 = 16,879,358.08 : x
  2. Step 2: Convert to fraction form
    31,007,765.42/42,791,260.38 = 16,879,358.08/x
  3. Step 3: Cross multiply
    31,007,765.42x = 42,791,260.38 × 16,879,358.08
  4. Step 4: Simplify right side
    31,007,765.42x = 722,289,006,638,728.38
  5. Step 5: Solve for x
    x = 722,289,006,638,728.38/31,007,765.42
  6. Step 6: Final answer
    x = 23,293,810.34

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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.