Home / 7,870,085.11-11,804,006.35-2,478,595.24

Finding the Fourth Proportional to 7,870,085.11, 11,804,006.35 and 2,478,595.24

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Solution

The fourth proportional to 7,870,085.11, 11,804,006.35 and 2,478,595.24 is: 3,717,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,085.11 : 11,804,006.35 = 2,478,595.24 : x
  2. Step 2: Convert to fraction form
    7,870,085.11/11,804,006.35 = 2,478,595.24/x
  3. Step 3: Cross multiply
    7,870,085.11x = 11,804,006.35 × 2,478,595.24
  4. Step 4: Simplify right side
    7,870,085.11x = 29,257,353,952,039.78
  5. Step 5: Solve for x
    x = 29,257,353,952,039.78/7,870,085.11
  6. Step 6: Final answer
    x = 3,717,539.71

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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.