Home / 11,817,280.38-16,307,971.20-6,660,641.93

Finding the Fourth Proportional to 11,817,280.38, 16,307,971.20 and 6,660,641.93

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Solution

The fourth proportional to 11,817,280.38, 16,307,971.20 and 6,660,641.93 is: 9,191,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,280.38 : 16,307,971.20 = 6,660,641.93 : x
  2. Step 2: Convert to fraction form
    11,817,280.38/16,307,971.20 = 6,660,641.93/x
  3. Step 3: Cross multiply
    11,817,280.38x = 16,307,971.20 × 6,660,641.93
  4. Step 4: Simplify right side
    11,817,280.38x = 108,621,556,686,412.55
  5. Step 5: Solve for x
    x = 108,621,556,686,412.55/11,817,280.38
  6. Step 6: Final answer
    x = 9,191,755.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.