Home / 7,913,129.38-10,920,118.56-4,475,296.60

Finding the Fourth Proportional to 7,913,129.38, 10,920,118.56 and 4,475,296.60

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Solution

The fourth proportional to 7,913,129.38, 10,920,118.56 and 4,475,296.60 is: 6,175,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,129.38 : 10,920,118.56 = 4,475,296.60 : x
  2. Step 2: Convert to fraction form
    7,913,129.38/10,920,118.56 = 4,475,296.60/x
  3. Step 3: Cross multiply
    7,913,129.38x = 10,920,118.56 × 4,475,296.60
  4. Step 4: Simplify right side
    7,913,129.38x = 48,870,769,463,164.89
  5. Step 5: Solve for x
    x = 48,870,769,463,164.89/7,913,129.38
  6. Step 6: Final answer
    x = 6,175,909.32

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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.