Home / 14,432,771.84-19,917,066.58-7,817,195.72

Finding the Fourth Proportional to 14,432,771.84, 19,917,066.58 and 7,817,195.72

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Solution

The fourth proportional to 14,432,771.84, 19,917,066.58 and 7,817,195.72 is: 10,787,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432,771.84 : 19,917,066.58 = 7,817,195.72 : x
  2. Step 2: Convert to fraction form
    14,432,771.84/19,917,066.58 = 7,817,195.72/x
  3. Step 3: Cross multiply
    14,432,771.84x = 19,917,066.58 × 7,817,195.72
  4. Step 4: Simplify right side
    14,432,771.84x = 155,695,607,654,380.72
  5. Step 5: Solve for x
    x = 155,695,607,654,380.72/14,432,771.84
  6. Step 6: Final answer
    x = 10,787,644.22

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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.