Home / 12,587,584.04-18,886,686.40-8,043,756.20

Finding the Fourth Proportional to 12,587,584.04, 18,886,686.40 and 8,043,756.20

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Solution

The fourth proportional to 12,587,584.04, 18,886,686.40 and 8,043,756.20 is: 12,069,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587,584.04 : 18,886,686.40 = 8,043,756.20 : x
  2. Step 2: Convert to fraction form
    12,587,584.04/18,886,686.40 = 8,043,756.20/x
  3. Step 3: Cross multiply
    12,587,584.04x = 18,886,686.40 × 8,043,756.20
  4. Step 4: Simplify right side
    12,587,584.04x = 151,919,900,827,455.66
  5. Step 5: Solve for x
    x = 151,919,900,827,455.66/12,587,584.04
  6. Step 6: Final answer
    x = 12,069,027.73

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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.