Home / 12,018,415.38-18,015,025.92-4,440,547.86

Finding the Fourth Proportional to 12,018,415.38, 18,015,025.92 and 4,440,547.86

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Solution

The fourth proportional to 12,018,415.38, 18,015,025.92 and 4,440,547.86 is: 6,656,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,415.38 : 18,015,025.92 = 4,440,547.86 : x
  2. Step 2: Convert to fraction form
    12,018,415.38/18,015,025.92 = 4,440,547.86/x
  3. Step 3: Cross multiply
    12,018,415.38x = 18,015,025.92 × 4,440,547.86
  4. Step 4: Simplify right side
    12,018,415.38x = 79,996,584,796,900.55
  5. Step 5: Solve for x
    x = 79,996,584,796,900.55/12,018,415.38
  6. Step 6: Final answer
    x = 6,656,167.41

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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.