Home / 20,289,776.04-30,415,612.54-6,817,182.12

Finding the Fourth Proportional to 20,289,776.04, 30,415,612.54 and 6,817,182.12

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Solution

The fourth proportional to 20,289,776.04, 30,415,612.54 and 6,817,182.12 is: 10,219,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,776.04 : 30,415,612.54 = 6,817,182.12 : x
  2. Step 2: Convert to fraction form
    20,289,776.04/30,415,612.54 = 6,817,182.12/x
  3. Step 3: Cross multiply
    20,289,776.04x = 30,415,612.54 × 6,817,182.12
  4. Step 4: Simplify right side
    20,289,776.04x = 207,348,769,976,535.78
  5. Step 5: Solve for x
    x = 207,348,769,976,535.78/20,289,776.04
  6. Step 6: Final answer
    x = 10,219,372.04

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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.