Home / 21,063,215.40-31,547,583.90-17,284,079.40

Finding the Fourth Proportional to 21,063,215.40, 31,547,583.90 and 17,284,079.40

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Solution

The fourth proportional to 21,063,215.40, 31,547,583.90 and 17,284,079.40 is: 25,887,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,215.40 : 31,547,583.90 = 17,284,079.40 : x
  2. Step 2: Convert to fraction form
    21,063,215.40/31,547,583.90 = 17,284,079.40/x
  3. Step 3: Cross multiply
    21,063,215.40x = 31,547,583.90 × 17,284,079.40
  4. Step 4: Simplify right side
    21,063,215.40x = 545,270,945,005,761.56
  5. Step 5: Solve for x
    x = 545,270,945,005,761.56/21,063,215.40
  6. Step 6: Final answer
    x = 25,887,355.50

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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.