Home / 19,839,834.42-27,381,959.68-12,109,368.98

Finding the Fourth Proportional to 19,839,834.42, 27,381,959.68 and 12,109,368.98

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Solution

The fourth proportional to 19,839,834.42, 27,381,959.68 and 12,109,368.98 is: 16,712,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,834.42 : 27,381,959.68 = 12,109,368.98 : x
  2. Step 2: Convert to fraction form
    19,839,834.42/27,381,959.68 = 12,109,368.98/x
  3. Step 3: Cross multiply
    19,839,834.42x = 27,381,959.68 × 12,109,368.98
  4. Step 4: Simplify right side
    19,839,834.42x = 331,578,253,160,602.75
  5. Step 5: Solve for x
    x = 331,578,253,160,602.75/19,839,834.42
  6. Step 6: Final answer
    x = 16,712,753.05

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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.