Home / 13,818,671.71-20,730,664.36-5,298,343.72

Finding the Fourth Proportional to 13,818,671.71, 20,730,664.36 and 5,298,343.72

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Solution

The fourth proportional to 13,818,671.71, 20,730,664.36 and 5,298,343.72 is: 7,948,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,671.71 : 20,730,664.36 = 5,298,343.72 : x
  2. Step 2: Convert to fraction form
    13,818,671.71/20,730,664.36 = 5,298,343.72/x
  3. Step 3: Cross multiply
    13,818,671.71x = 20,730,664.36 × 5,298,343.72
  4. Step 4: Simplify right side
    13,818,671.71x = 109,838,185,258,161.31
  5. Step 5: Solve for x
    x = 109,838,185,258,161.31/13,818,671.71
  6. Step 6: Final answer
    x = 7,948,534.24

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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.