Home / 12,074,567.70-18,111,851.55-12,003,708.90

Finding the Fourth Proportional to 12,074,567.70, 18,111,851.55 and 12,003,708.90

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Solution

The fourth proportional to 12,074,567.70, 18,111,851.55 and 12,003,708.90 is: 18,005,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,567.70 : 18,111,851.55 = 12,003,708.90 : x
  2. Step 2: Convert to fraction form
    12,074,567.70/18,111,851.55 = 12,003,708.90/x
  3. Step 3: Cross multiply
    12,074,567.70x = 18,111,851.55 × 12,003,708.90
  4. Step 4: Simplify right side
    12,074,567.70x = 217,409,393,646,213.81
  5. Step 5: Solve for x
    x = 217,409,393,646,213.81/12,074,567.70
  6. Step 6: Final answer
    x = 18,005,563.35

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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.