Home / 19,894,155-29,839,522.95-12,111,049.14

Finding the Fourth Proportional to 19,894,155, 29,839,522.95 and 12,111,049.14

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Solution

The fourth proportional to 19,894,155, 29,839,522.95 and 12,111,049.14 is: 18,165,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894,155 : 29,839,522.95 = 12,111,049.14 : x
  2. Step 2: Convert to fraction form
    19,894,155/29,839,522.95 = 12,111,049.14/x
  3. Step 3: Cross multiply
    19,894,155x = 29,839,522.95 × 12,111,049.14
  4. Step 4: Simplify right side
    19,894,155x = 361,387,928,761,607.75
  5. Step 5: Solve for x
    x = 361,387,928,761,607.75/19,894,155
  6. Step 6: Final answer
    x = 18,165,532.98

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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.