Home / 12,220,565.40-18,330,848.10-12,031,608.60

Finding the Fourth Proportional to 12,220,565.40, 18,330,848.10 and 12,031,608.60

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Solution

The fourth proportional to 12,220,565.40, 18,330,848.10 and 12,031,608.60 is: 18,047,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,565.40 : 18,330,848.10 = 12,031,608.60 : x
  2. Step 2: Convert to fraction form
    12,220,565.40/18,330,848.10 = 12,031,608.60/x
  3. Step 3: Cross multiply
    12,220,565.40x = 18,330,848.10 × 12,031,608.60
  4. Step 4: Simplify right side
    12,220,565.40x = 220,549,589,645,253.66
  5. Step 5: Solve for x
    x = 220,549,589,645,253.66/12,220,565.40
  6. Step 6: Final answer
    x = 18,047,412.90

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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.