Home / 12,574,901.32-18,843,099.96-8,460,984.55

Finding the Fourth Proportional to 12,574,901.32, 18,843,099.96 and 8,460,984.55

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Solution

The fourth proportional to 12,574,901.32, 18,843,099.96 and 8,460,984.55 is: 12,678,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,901.32 : 18,843,099.96 = 8,460,984.55 : x
  2. Step 2: Convert to fraction form
    12,574,901.32/18,843,099.96 = 8,460,984.55/x
  3. Step 3: Cross multiply
    12,574,901.32x = 18,843,099.96 × 8,460,984.55
  4. Step 4: Simplify right side
    12,574,901.32x = 159,431,177,707,765.69
  5. Step 5: Solve for x
    x = 159,431,177,707,765.69/12,574,901.32
  6. Step 6: Final answer
    x = 12,678,523.17

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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.