Home / 14,177,999.80-21,266,999.70-13,170,230.20

Finding the Fourth Proportional to 14,177,999.80, 21,266,999.70 and 13,170,230.20

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Solution

The fourth proportional to 14,177,999.80, 21,266,999.70 and 13,170,230.20 is: 19,755,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177,999.80 : 21,266,999.70 = 13,170,230.20 : x
  2. Step 2: Convert to fraction form
    14,177,999.80/21,266,999.70 = 13,170,230.20/x
  3. Step 3: Cross multiply
    14,177,999.80x = 21,266,999.70 × 13,170,230.20
  4. Step 4: Simplify right side
    14,177,999.80x = 280,091,281,712,330.91
  5. Step 5: Solve for x
    x = 280,091,281,712,330.91/14,177,999.80
  6. Step 6: Final answer
    x = 19,755,345.30

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1.5x scale

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.