Home / 8,155,683.78-11,257,352.64-5,255,065.68

Finding the Fourth Proportional to 8,155,683.78, 11,257,352.64 and 5,255,065.68

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Solution

The fourth proportional to 8,155,683.78, 11,257,352.64 and 5,255,065.68 is: 7,253,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,683.78 : 11,257,352.64 = 5,255,065.68 : x
  2. Step 2: Convert to fraction form
    8,155,683.78/11,257,352.64 = 5,255,065.68/x
  3. Step 3: Cross multiply
    8,155,683.78x = 11,257,352.64 × 5,255,065.68
  4. Step 4: Simplify right side
    8,155,683.78x = 59,158,127,506,121.40
  5. Step 5: Solve for x
    x = 59,158,127,506,121.40/8,155,683.78
  6. Step 6: Final answer
    x = 7,253,607.31

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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.