Home / 10,659,029.10-15,988,543.65-7,257,806.70

Finding the Fourth Proportional to 10,659,029.10, 15,988,543.65 and 7,257,806.70

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Solution

The fourth proportional to 10,659,029.10, 15,988,543.65 and 7,257,806.70 is: 10,886,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,029.10 : 15,988,543.65 = 7,257,806.70 : x
  2. Step 2: Convert to fraction form
    10,659,029.10/15,988,543.65 = 7,257,806.70/x
  3. Step 3: Cross multiply
    10,659,029.10x = 15,988,543.65 × 7,257,806.70
  4. Step 4: Simplify right side
    10,659,029.10x = 116,041,759,226,212.45
  5. Step 5: Solve for x
    x = 116,041,759,226,212.45/10,659,029.10
  6. Step 6: Final answer
    x = 10,886,710.05

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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.