Home / 10,164,798.80-14,027,648.40-5,581,138.40

Finding the Fourth Proportional to 10,164,798.80, 14,027,648.40 and 5,581,138.40

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Solution

The fourth proportional to 10,164,798.80, 14,027,648.40 and 5,581,138.40 is: 7,702,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164,798.80 : 14,027,648.40 = 5,581,138.40 : x
  2. Step 2: Convert to fraction form
    10,164,798.80/14,027,648.40 = 5,581,138.40/x
  3. Step 3: Cross multiply
    10,164,798.80x = 14,027,648.40 × 5,581,138.40
  4. Step 4: Simplify right side
    10,164,798.80x = 78,290,247,146,938.56
  5. Step 5: Solve for x
    x = 78,290,247,146,938.56/10,164,798.80
  6. Step 6: Final answer
    x = 7,702,095.11

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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.