Home / 13,706,639.40-20,559,959.10-7,336,540.20

Finding the Fourth Proportional to 13,706,639.40, 20,559,959.10 and 7,336,540.20

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Solution

The fourth proportional to 13,706,639.40, 20,559,959.10 and 7,336,540.20 is: 11,004,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,639.40 : 20,559,959.10 = 7,336,540.20 : x
  2. Step 2: Convert to fraction form
    13,706,639.40/20,559,959.10 = 7,336,540.20/x
  3. Step 3: Cross multiply
    13,706,639.40x = 20,559,959.10 × 7,336,540.20
  4. Step 4: Simplify right side
    13,706,639.40x = 150,838,966,447,505.84
  5. Step 5: Solve for x
    x = 150,838,966,447,505.84/13,706,639.40
  6. Step 6: Final answer
    x = 11,004,810.30

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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.