Home / 7,875,158.71-10,870,121-4,568,288.62

Finding the Fourth Proportional to 7,875,158.71, 10,870,121 and 4,568,288.62

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Solution

The fourth proportional to 7,875,158.71, 10,870,121 and 4,568,288.62 is: 6,305,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,158.71 : 10,870,121 = 4,568,288.62 : x
  2. Step 2: Convert to fraction form
    7,875,158.71/10,870,121 = 4,568,288.62/x
  3. Step 3: Cross multiply
    7,875,158.71x = 10,870,121 × 4,568,288.62
  4. Step 4: Simplify right side
    7,875,158.71x = 49,657,850,062,323.02
  5. Step 5: Solve for x
    x = 49,657,850,062,323.02/7,875,158.71
  6. Step 6: Final answer
    x = 6,305,631.66

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Double scale
Find fourth proportional to 7,875,159.71, 10,870,122.38 and 4,568,289.62
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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.