Home / 14,241,586.32-19,653,307.92-7,715,342.88

Finding the Fourth Proportional to 14,241,586.32, 19,653,307.92 and 7,715,342.88

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Solution

The fourth proportional to 14,241,586.32, 19,653,307.92 and 7,715,342.88 is: 10,647,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241,586.32 : 19,653,307.92 = 7,715,342.88 : x
  2. Step 2: Convert to fraction form
    14,241,586.32/19,653,307.92 = 7,715,342.88/x
  3. Step 3: Cross multiply
    14,241,586.32x = 19,653,307.92 × 7,715,342.88
  4. Step 4: Simplify right side
    14,241,586.32x = 151,632,009,329,019.62
  5. Step 5: Solve for x
    x = 151,632,009,329,019.62/14,241,586.32
  6. Step 6: Final answer
    x = 10,647,129.18

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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.