Home / 21,550,420.46-29,740,275.96-12,257,751.78

Finding the Fourth Proportional to 21,550,420.46, 29,740,275.96 and 12,257,751.78

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Solution

The fourth proportional to 21,550,420.46, 29,740,275.96 and 12,257,751.78 is: 16,916,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,420.46 : 29,740,275.96 = 12,257,751.78 : x
  2. Step 2: Convert to fraction form
    21,550,420.46/29,740,275.96 = 12,257,751.78/x
  3. Step 3: Cross multiply
    21,550,420.46x = 29,740,275.96 × 12,257,751.78
  4. Step 4: Simplify right side
    21,550,420.46x = 364,548,920,586,381.19
  5. Step 5: Solve for x
    x = 364,548,920,586,381.19/21,550,420.46
  6. Step 6: Final answer
    x = 16,916,093.18

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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.