Home / 7,140,056.51-9,853,289.65-3,876,877.55

Finding the Fourth Proportional to 7,140,056.51, 9,853,289.65 and 3,876,877.55

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Solution

The fourth proportional to 7,140,056.51, 9,853,289.65 and 3,876,877.55 is: 5,350,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,056.51 : 9,853,289.65 = 3,876,877.55 : x
  2. Step 2: Convert to fraction form
    7,140,056.51/9,853,289.65 = 3,876,877.55/x
  3. Step 3: Cross multiply
    7,140,056.51x = 9,853,289.65 × 3,876,877.55
  4. Step 4: Simplify right side
    7,140,056.51x = 38,199,997,467,211.68
  5. Step 5: Solve for x
    x = 38,199,997,467,211.68/7,140,056.51
  6. Step 6: Final answer
    x = 5,350,097.36

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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.