Home / 12,484,982.25-18,727,473.78-3,509,534.25

Finding the Fourth Proportional to 12,484,982.25, 18,727,473.78 and 3,509,534.25

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Solution

The fourth proportional to 12,484,982.25, 18,727,473.78 and 3,509,534.25 is: 5,264,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,982.25 : 18,727,473.78 = 3,509,534.25 : x
  2. Step 2: Convert to fraction form
    12,484,982.25/18,727,473.78 = 3,509,534.25/x
  3. Step 3: Cross multiply
    12,484,982.25x = 18,727,473.78 × 3,509,534.25
  4. Step 4: Simplify right side
    12,484,982.25x = 65,724,710,646,886.97
  5. Step 5: Solve for x
    x = 65,724,710,646,886.97/12,484,982.25
  6. Step 6: Final answer
    x = 5,264,301.49

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1.5x scale

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.