Home / 25,708,801.76-35,479,257.28-15,393,555.36

Finding the Fourth Proportional to 25,708,801.76, 35,479,257.28 and 15,393,555.36

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Solution

The fourth proportional to 25,708,801.76, 35,479,257.28 and 15,393,555.36 is: 21,243,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708,801.76 : 35,479,257.28 = 15,393,555.36 : x
  2. Step 2: Convert to fraction form
    25,708,801.76/35,479,257.28 = 15,393,555.36/x
  3. Step 3: Cross multiply
    25,708,801.76x = 35,479,257.28 × 15,393,555.36
  4. Step 4: Simplify right side
    25,708,801.76x = 546,151,911,071,363
  5. Step 5: Solve for x
    x = 546,151,911,071,363/25,708,801.76
  6. Step 6: Final answer
    x = 21,243,771.54

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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.