Home / 6,139,246.20-9,191,154.60-5,430,658.20

Finding the Fourth Proportional to 6,139,246.20, 9,191,154.60 and 5,430,658.20

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Solution

The fourth proportional to 6,139,246.20, 9,191,154.60 and 5,430,658.20 is: 8,130,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139,246.20 : 9,191,154.60 = 5,430,658.20 : x
  2. Step 2: Convert to fraction form
    6,139,246.20/9,191,154.60 = 5,430,658.20/x
  3. Step 3: Cross multiply
    6,139,246.20x = 9,191,154.60 × 5,430,658.20
  4. Step 4: Simplify right side
    6,139,246.20x = 49,914,019,095,957.72
  5. Step 5: Solve for x
    x = 49,914,019,095,957.72/6,139,246.20
  6. Step 6: Final answer
    x = 8,130,317.22

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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.