Home / 30,310,502.12-45,460,275.87-8,739,800.36

Finding the Fourth Proportional to 30,310,502.12, 45,460,275.87 and 8,739,800.36

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Solution

The fourth proportional to 30,310,502.12, 45,460,275.87 and 8,739,800.36 is: 13,108,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,502.12 : 45,460,275.87 = 8,739,800.36 : x
  2. Step 2: Convert to fraction form
    30,310,502.12/45,460,275.87 = 8,739,800.36/x
  3. Step 3: Cross multiply
    30,310,502.12x = 45,460,275.87 × 8,739,800.36
  4. Step 4: Simplify right side
    30,310,502.12x = 397,313,735,414,325.25
  5. Step 5: Solve for x
    x = 397,313,735,414,325.25/30,310,502.12
  6. Step 6: Final answer
    x = 13,108,121.20

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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.