Home / 12,020,038.92-18,031,742.37-3,933,650.16

Finding the Fourth Proportional to 12,020,038.92, 18,031,742.37 and 3,933,650.16

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Solution

The fourth proportional to 12,020,038.92, 18,031,742.37 and 3,933,650.16 is: 5,901,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,038.92 : 18,031,742.37 = 3,933,650.16 : x
  2. Step 2: Convert to fraction form
    12,020,038.92/18,031,742.37 = 3,933,650.16/x
  3. Step 3: Cross multiply
    12,020,038.92x = 18,031,742.37 × 3,933,650.16
  4. Step 4: Simplify right side
    12,020,038.92x = 70,930,566,258,829.28
  5. Step 5: Solve for x
    x = 70,930,566,258,829.28/12,020,038.92
  6. Step 6: Final answer
    x = 5,901,026.34

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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.