Home / 12,530,432.14-18,795,663.01-3,432,608.07

Finding the Fourth Proportional to 12,530,432.14, 18,795,663.01 and 3,432,608.07

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Solution

The fourth proportional to 12,530,432.14, 18,795,663.01 and 3,432,608.07 is: 5,148,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,432.14 : 18,795,663.01 = 3,432,608.07 : x
  2. Step 2: Convert to fraction form
    12,530,432.14/18,795,663.01 = 3,432,608.07/x
  3. Step 3: Cross multiply
    12,530,432.14x = 18,795,663.01 × 3,432,608.07
  4. Step 4: Simplify right side
    12,530,432.14x = 64,518,144,462,933.52
  5. Step 5: Solve for x
    x = 64,518,144,462,933.52/12,530,432.14
  6. Step 6: Final answer
    x = 5,148,916.16

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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.