Home / 12,344,648.16-18,507,999.60-5,158,238.88

Finding the Fourth Proportional to 12,344,648.16, 18,507,999.60 and 5,158,238.88

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Solution

The fourth proportional to 12,344,648.16, 18,507,999.60 and 5,158,238.88 is: 7,733,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344,648.16 : 18,507,999.60 = 5,158,238.88 : x
  2. Step 2: Convert to fraction form
    12,344,648.16/18,507,999.60 = 5,158,238.88/x
  3. Step 3: Cross multiply
    12,344,648.16x = 18,507,999.60 × 5,158,238.88
  4. Step 4: Simplify right side
    12,344,648.16x = 95,468,683,127,744.45
  5. Step 5: Solve for x
    x = 95,468,683,127,744.45/12,344,648.16
  6. Step 6: Final answer
    x = 7,733,609.08

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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.