Home / 7,875,618.11-11,813,802.69-3,827,282.93

Finding the Fourth Proportional to 7,875,618.11, 11,813,802.69 and 3,827,282.93

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Solution

The fourth proportional to 7,875,618.11, 11,813,802.69 and 3,827,282.93 is: 5,741,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,618.11 : 11,813,802.69 = 3,827,282.93 : x
  2. Step 2: Convert to fraction form
    7,875,618.11/11,813,802.69 = 3,827,282.93/x
  3. Step 3: Cross multiply
    7,875,618.11x = 11,813,802.69 × 3,827,282.93
  4. Step 4: Simplify right side
    7,875,618.11x = 45,214,765,373,825.08
  5. Step 5: Solve for x
    x = 45,214,765,373,825.08/7,875,618.11
  6. Step 6: Final answer
    x = 5,741,106.89

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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.