Home / 9,415,123.92-12,993,302.55-5,228,827.95

Finding the Fourth Proportional to 9,415,123.92, 12,993,302.55 and 5,228,827.95

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Solution

The fourth proportional to 9,415,123.92, 12,993,302.55 and 5,228,827.95 is: 7,216,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415,123.92 : 12,993,302.55 = 5,228,827.95 : x
  2. Step 2: Convert to fraction form
    9,415,123.92/12,993,302.55 = 5,228,827.95/x
  3. Step 3: Cross multiply
    9,415,123.92x = 12,993,302.55 × 5,228,827.95
  4. Step 4: Simplify right side
    9,415,123.92x = 67,939,743,536,246.28
  5. Step 5: Solve for x
    x = 67,939,743,536,246.28/9,415,123.92
  6. Step 6: Final answer
    x = 7,216,022.23

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1.5x scale

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.