Home / 12,217,899.54-16,859,718.08-7,061,595.06

Finding the Fourth Proportional to 12,217,899.54, 16,859,718.08 and 7,061,595.06

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Solution

The fourth proportional to 12,217,899.54, 16,859,718.08 and 7,061,595.06 is: 9,744,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,899.54 : 16,859,718.08 = 7,061,595.06 : x
  2. Step 2: Convert to fraction form
    12,217,899.54/16,859,718.08 = 7,061,595.06/x
  3. Step 3: Cross multiply
    12,217,899.54x = 16,859,718.08 × 7,061,595.06
  4. Step 4: Simplify right side
    12,217,899.54x = 119,056,501,906,720.67
  5. Step 5: Solve for x
    x = 119,056,501,906,720.67/12,217,899.54
  6. Step 6: Final answer
    x = 9,744,432.87

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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.