Home / 15,118,262.04-20,856,642.30-9,608,689.56

Finding the Fourth Proportional to 15,118,262.04, 20,856,642.30 and 9,608,689.56

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Solution

The fourth proportional to 15,118,262.04, 20,856,642.30 and 9,608,689.56 is: 13,255,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,262.04 : 20,856,642.30 = 9,608,689.56 : x
  2. Step 2: Convert to fraction form
    15,118,262.04/20,856,642.30 = 9,608,689.56/x
  3. Step 3: Cross multiply
    15,118,262.04x = 20,856,642.30 × 9,608,689.56
  4. Step 4: Simplify right side
    15,118,262.04x = 200,405,001,124,664.41
  5. Step 5: Solve for x
    x = 200,405,001,124,664.41/15,118,262.04
  6. Step 6: Final answer
    x = 13,255,822.70

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1.5x scale

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.