Home / 18,814,899.90-28,222,349.85-6,698,045.10

Finding the Fourth Proportional to 18,814,899.90, 28,222,349.85 and 6,698,045.10

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Solution

The fourth proportional to 18,814,899.90, 28,222,349.85 and 6,698,045.10 is: 10,047,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814,899.90 : 28,222,349.85 = 6,698,045.10 : x
  2. Step 2: Convert to fraction form
    18,814,899.90/28,222,349.85 = 6,698,045.10/x
  3. Step 3: Cross multiply
    18,814,899.90x = 28,222,349.85 × 6,698,045.10
  4. Step 4: Simplify right side
    18,814,899.90x = 189,034,572,123,278.25
  5. Step 5: Solve for x
    x = 189,034,572,123,278.25/18,814,899.90
  6. Step 6: Final answer
    x = 10,047,067.65

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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.