Home / 20,643,261.30-30,963,907.80-6,995,069.10

Finding the Fourth Proportional to 20,643,261.30, 30,963,907.80 and 6,995,069.10

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Solution

The fourth proportional to 20,643,261.30, 30,963,907.80 and 6,995,069.10 is: 10,492,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,261.30 : 30,963,907.80 = 6,995,069.10 : x
  2. Step 2: Convert to fraction form
    20,643,261.30/30,963,907.80 = 6,995,069.10/x
  3. Step 3: Cross multiply
    20,643,261.30x = 30,963,907.80 × 6,995,069.10
  4. Step 4: Simplify right side
    20,643,261.30x = 216,594,674,667,028.97
  5. Step 5: Solve for x
    x = 216,594,674,667,028.97/20,643,261.30
  6. Step 6: Final answer
    x = 10,492,270.17

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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.