Home / 12,258,964.08-18,375,829-5,438,749.22

Finding the Fourth Proportional to 12,258,964.08, 18,375,829 and 5,438,749.22

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Solution

The fourth proportional to 12,258,964.08, 18,375,829 and 5,438,749.22 is: 8,152,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,964.08 : 18,375,829 = 5,438,749.22 : x
  2. Step 2: Convert to fraction form
    12,258,964.08/18,375,829 = 5,438,749.22/x
  3. Step 3: Cross multiply
    12,258,964.08x = 18,375,829 × 5,438,749.22
  4. Step 4: Simplify right side
    12,258,964.08x = 99,941,525,640,603.38
  5. Step 5: Solve for x
    x = 99,941,525,640,603.38/12,258,964.08
  6. Step 6: Final answer
    x = 8,152,526.18

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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.