Home / 12,959,020.11-19,441,429.53-4,872,065.82

Finding the Fourth Proportional to 12,959,020.11, 19,441,429.53 and 4,872,065.82

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Solution

The fourth proportional to 12,959,020.11, 19,441,429.53 and 4,872,065.82 is: 7,309,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959,020.11 : 19,441,429.53 = 4,872,065.82 : x
  2. Step 2: Convert to fraction form
    12,959,020.11/19,441,429.53 = 4,872,065.82/x
  3. Step 3: Cross multiply
    12,959,020.11x = 19,441,429.53 × 4,872,065.82
  4. Step 4: Simplify right side
    12,959,020.11x = 94,719,924,241,281.42
  5. Step 5: Solve for x
    x = 94,719,924,241,281.42/12,959,020.11
  6. Step 6: Final answer
    x = 7,309,188.77

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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.