Home / 19,210,082.74-28,817,142.12-6,257,242.73

Finding the Fourth Proportional to 19,210,082.74, 28,817,142.12 and 6,257,242.73

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Solution

The fourth proportional to 19,210,082.74, 28,817,142.12 and 6,257,242.73 is: 9,386,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210,082.74 : 28,817,142.12 = 6,257,242.73 : x
  2. Step 2: Convert to fraction form
    19,210,082.74/28,817,142.12 = 6,257,242.73/x
  3. Step 3: Cross multiply
    19,210,082.74x = 28,817,142.12 × 6,257,242.73
  4. Step 4: Simplify right side
    19,210,082.74x = 180,315,853,153,454.16
  5. Step 5: Solve for x
    x = 180,315,853,153,454.16/19,210,082.74
  6. Step 6: Final answer
    x = 9,386,521.42

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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.