Home / 12,426,420.30-18,639,482.40-3,204,344.28

Finding the Fourth Proportional to 12,426,420.30, 18,639,482.40 and 3,204,344.28

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Solution

The fourth proportional to 12,426,420.30, 18,639,482.40 and 3,204,344.28 is: 4,806,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,420.30 : 18,639,482.40 = 3,204,344.28 : x
  2. Step 2: Convert to fraction form
    12,426,420.30/18,639,482.40 = 3,204,344.28/x
  3. Step 3: Cross multiply
    12,426,420.30x = 18,639,482.40 × 3,204,344.28
  4. Step 4: Simplify right side
    12,426,420.30x = 59,727,318,810,600.66
  5. Step 5: Solve for x
    x = 59,727,318,810,600.66/12,426,420.30
  6. Step 6: Final answer
    x = 4,806,478.24

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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.