Home / 8,686,112.69-13,020,697.13-4,135,938.90

Finding the Fourth Proportional to 8,686,112.69, 13,020,697.13 and 4,135,938.90

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Solution

The fourth proportional to 8,686,112.69, 13,020,697.13 and 4,135,938.90 is: 6,199,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,112.69 : 13,020,697.13 = 4,135,938.90 : x
  2. Step 2: Convert to fraction form
    8,686,112.69/13,020,697.13 = 4,135,938.90/x
  3. Step 3: Cross multiply
    8,686,112.69x = 13,020,697.13 × 4,135,938.90
  4. Step 4: Simplify right side
    8,686,112.69x = 53,852,807,744,405.66
  5. Step 5: Solve for x
    x = 53,852,807,744,405.66/8,686,112.69
  6. Step 6: Final answer
    x = 6,199,874.41

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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.