Home / 27,679,417.20-41,518,907.10-7,209,097.20

Finding the Fourth Proportional to 27,679,417.20, 41,518,907.10 and 7,209,097.20

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Solution

The fourth proportional to 27,679,417.20, 41,518,907.10 and 7,209,097.20 is: 10,813,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679,417.20 : 41,518,907.10 = 7,209,097.20 : x
  2. Step 2: Convert to fraction form
    27,679,417.20/41,518,907.10 = 7,209,097.20/x
  3. Step 3: Cross multiply
    27,679,417.20x = 41,518,907.10 × 7,209,097.20
  4. Step 4: Simplify right side
    27,679,417.20x = 299,313,836,921,670.12
  5. Step 5: Solve for x
    x = 299,313,836,921,670.12/27,679,417.20
  6. Step 6: Final answer
    x = 10,813,588.84

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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.