Home / 19,172,543.10-28,758,814.65-9,094,847.10

Finding the Fourth Proportional to 19,172,543.10, 28,758,814.65 and 9,094,847.10

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Solution

The fourth proportional to 19,172,543.10, 28,758,814.65 and 9,094,847.10 is: 13,642,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,543.10 : 28,758,814.65 = 9,094,847.10 : x
  2. Step 2: Convert to fraction form
    19,172,543.10/28,758,814.65 = 9,094,847.10/x
  3. Step 3: Cross multiply
    19,172,543.10x = 28,758,814.65 × 9,094,847.10
  4. Step 4: Simplify right side
    19,172,543.10x = 261,557,022,018,990
  5. Step 5: Solve for x
    x = 261,557,022,018,990/19,172,543.10
  6. Step 6: Final answer
    x = 13,642,270.65

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Similar ratio
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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.