Home / 21,312,062.40-31,947,098.40-10,531,027.20

Finding the Fourth Proportional to 21,312,062.40, 31,947,098.40 and 10,531,027.20

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Solution

The fourth proportional to 21,312,062.40, 31,947,098.40 and 10,531,027.20 is: 15,786,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312,062.40 : 31,947,098.40 = 10,531,027.20 : x
  2. Step 2: Convert to fraction form
    21,312,062.40/31,947,098.40 = 10,531,027.20/x
  3. Step 3: Cross multiply
    21,312,062.40x = 31,947,098.40 × 10,531,027.20
  4. Step 4: Simplify right side
    21,312,062.40x = 336,435,762,211,476.44
  5. Step 5: Solve for x
    x = 336,435,762,211,476.44/21,312,062.40
  6. Step 6: Final answer
    x = 15,786,166.35

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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.