Home / 15,418,126.80-23,127,128.69-6,892,484.54

Finding the Fourth Proportional to 15,418,126.80, 23,127,128.69 and 6,892,484.54

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Solution

The fourth proportional to 15,418,126.80, 23,127,128.69 and 6,892,484.54 is: 10,338,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418,126.80 : 23,127,128.69 = 6,892,484.54 : x
  2. Step 2: Convert to fraction form
    15,418,126.80/23,127,128.69 = 6,892,484.54/x
  3. Step 3: Cross multiply
    15,418,126.80x = 23,127,128.69 × 6,892,484.54
  4. Step 4: Simplify right side
    15,418,126.80x = 159,403,376,800,317.38
  5. Step 5: Solve for x
    x = 159,403,376,800,317.38/15,418,126.80
  6. Step 6: Final answer
    x = 10,338,699.30

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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.