Home / 22,805,536.71-31,472,148.84-13,015,784.54

Finding the Fourth Proportional to 22,805,536.71, 31,472,148.84 and 13,015,784.54

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Solution

The fourth proportional to 22,805,536.71, 31,472,148.84 and 13,015,784.54 is: 17,962,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805,536.71 : 31,472,148.84 = 13,015,784.54 : x
  2. Step 2: Convert to fraction form
    22,805,536.71/31,472,148.84 = 13,015,784.54/x
  3. Step 3: Cross multiply
    22,805,536.71x = 31,472,148.84 × 13,015,784.54
  4. Step 4: Simplify right side
    22,805,536.71x = 409,634,708,203,699.38
  5. Step 5: Solve for x
    x = 409,634,708,203,699.38/22,805,536.71
  6. Step 6: Final answer
    x = 17,962,072.70

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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.