Home / 22,628,541.90-31,230,678.69-12,706,538.43

Finding the Fourth Proportional to 22,628,541.90, 31,230,678.69 and 12,706,538.43

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Solution

The fourth proportional to 22,628,541.90, 31,230,678.69 and 12,706,538.43 is: 17,536,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628,541.90 : 31,230,678.69 = 12,706,538.43 : x
  2. Step 2: Convert to fraction form
    22,628,541.90/31,230,678.69 = 12,706,538.43/x
  3. Step 3: Cross multiply
    22,628,541.90x = 31,230,678.69 × 12,706,538.43
  4. Step 4: Simplify right side
    22,628,541.90x = 396,833,818,969,467.06
  5. Step 5: Solve for x
    x = 396,833,818,969,467.06/22,628,541.90
  6. Step 6: Final answer
    x = 17,536,870.94

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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.