Home / 21,630,325.10-29,849,846.40-11,840,775.92

Finding the Fourth Proportional to 21,630,325.10, 29,849,846.40 and 11,840,775.92

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Solution

The fourth proportional to 21,630,325.10, 29,849,846.40 and 11,840,775.92 is: 16,340,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630,325.10 : 29,849,846.40 = 11,840,775.92 : x
  2. Step 2: Convert to fraction form
    21,630,325.10/29,849,846.40 = 11,840,775.92/x
  3. Step 3: Cross multiply
    21,630,325.10x = 29,849,846.40 × 11,840,775.92
  4. Step 4: Simplify right side
    21,630,325.10x = 353,445,342,468,818.69
  5. Step 5: Solve for x
    x = 353,445,342,468,818.69/21,630,325.10
  6. Step 6: Final answer
    x = 16,340,269.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.