Home / 9,042,834.23-12,479,252.40-4,912,947.17

Finding the Fourth Proportional to 9,042,834.23, 12,479,252.40 and 4,912,947.17

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Solution

The fourth proportional to 9,042,834.23, 12,479,252.40 and 4,912,947.17 is: 6,779,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,834.23 : 12,479,252.40 = 4,912,947.17 : x
  2. Step 2: Convert to fraction form
    9,042,834.23/12,479,252.40 = 4,912,947.17/x
  3. Step 3: Cross multiply
    9,042,834.23x = 12,479,252.40 × 4,912,947.17
  4. Step 4: Simplify right side
    9,042,834.23x = 61,309,907,699,899.45
  5. Step 5: Solve for x
    x = 61,309,907,699,899.45/9,042,834.23
  6. Step 6: Final answer
    x = 6,779,943.78

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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.