Home / 12,257,999.40-18,386,999.10-8,006,471.40

Finding the Fourth Proportional to 12,257,999.40, 18,386,999.10 and 8,006,471.40

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Solution

The fourth proportional to 12,257,999.40, 18,386,999.10 and 8,006,471.40 is: 12,009,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257,999.40 : 18,386,999.10 = 8,006,471.40 : x
  2. Step 2: Convert to fraction form
    12,257,999.40/18,386,999.10 = 8,006,471.40/x
  3. Step 3: Cross multiply
    12,257,999.40x = 18,386,999.10 × 8,006,471.40
  4. Step 4: Simplify right side
    12,257,999.40x = 147,214,982,425,975.75
  5. Step 5: Solve for x
    x = 147,214,982,425,975.75/12,257,999.40
  6. Step 6: Final answer
    x = 12,009,707.10

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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.