Home / 29,997,250.80-45,012,256.74-12,722,764.68

Finding the Fourth Proportional to 29,997,250.80, 45,012,256.74 and 12,722,764.68

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Solution

The fourth proportional to 29,997,250.80, 45,012,256.74 and 12,722,764.68 is: 19,091,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,997,250.80 : 45,012,256.74 = 12,722,764.68 : x
  2. Step 2: Convert to fraction form
    29,997,250.80/45,012,256.74 = 12,722,764.68/x
  3. Step 3: Cross multiply
    29,997,250.80x = 45,012,256.74 × 12,722,764.68
  4. Step 4: Simplify right side
    29,997,250.80x = 572,680,350,218,764
  5. Step 5: Solve for x
    x = 572,680,350,218,764/29,997,250.80
  6. Step 6: Final answer
    x = 19,091,094.52

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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.