Home / 12,361,892.16-18,547,940.16-6,675,420

Finding the Fourth Proportional to 12,361,892.16, 18,547,940.16 and 6,675,420

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Solution

The fourth proportional to 12,361,892.16, 18,547,940.16 and 6,675,420 is: 10,015,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361,892.16 : 18,547,940.16 = 6,675,420 : x
  2. Step 2: Convert to fraction form
    12,361,892.16/18,547,940.16 = 6,675,420/x
  3. Step 3: Cross multiply
    12,361,892.16x = 18,547,940.16 × 6,675,420
  4. Step 4: Simplify right side
    12,361,892.16x = 123,815,290,702,867.20
  5. Step 5: Solve for x
    x = 123,815,290,702,867.20/12,361,892.16
  6. Step 6: Final answer
    x = 10,015,885.04

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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.