Home / 20,414,555.40-30,621,833.10-8,289,827.40

Finding the Fourth Proportional to 20,414,555.40, 30,621,833.10 and 8,289,827.40

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Solution

The fourth proportional to 20,414,555.40, 30,621,833.10 and 8,289,827.40 is: 12,434,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,555.40 : 30,621,833.10 = 8,289,827.40 : x
  2. Step 2: Convert to fraction form
    20,414,555.40/30,621,833.10 = 8,289,827.40/x
  3. Step 3: Cross multiply
    20,414,555.40x = 30,621,833.10 × 8,289,827.40
  4. Step 4: Simplify right side
    20,414,555.40x = 253,849,711,070,606.97
  5. Step 5: Solve for x
    x = 253,849,711,070,606.97/20,414,555.40
  6. Step 6: Final answer
    x = 12,434,741.10

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1.5x scale

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.