Home / 10,638,020.10-15,957,030.15-2,961,650.10

Finding the Fourth Proportional to 10,638,020.10, 15,957,030.15 and 2,961,650.10

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Solution

The fourth proportional to 10,638,020.10, 15,957,030.15 and 2,961,650.10 is: 4,442,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,020.10 : 15,957,030.15 = 2,961,650.10 : x
  2. Step 2: Convert to fraction form
    10,638,020.10/15,957,030.15 = 2,961,650.10/x
  3. Step 3: Cross multiply
    10,638,020.10x = 15,957,030.15 × 2,961,650.10
  4. Step 4: Simplify right side
    10,638,020.10x = 47,259,139,939,450.52
  5. Step 5: Solve for x
    x = 47,259,139,939,450.52/10,638,020.10
  6. Step 6: Final answer
    x = 4,442,475.15

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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.