Home / 8,702,174.28-12,009,200.52-4,782,174.12

Finding the Fourth Proportional to 8,702,174.28, 12,009,200.52 and 4,782,174.12

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Solution

The fourth proportional to 8,702,174.28, 12,009,200.52 and 4,782,174.12 is: 6,599,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,174.28 : 12,009,200.52 = 4,782,174.12 : x
  2. Step 2: Convert to fraction form
    8,702,174.28/12,009,200.52 = 4,782,174.12/x
  3. Step 3: Cross multiply
    8,702,174.28x = 12,009,200.52 × 4,782,174.12
  4. Step 4: Simplify right side
    8,702,174.28x = 57,430,087,868,588.54
  5. Step 5: Solve for x
    x = 57,430,087,868,588.54/8,702,174.28
  6. Step 6: Final answer
    x = 6,599,510.19

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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.