Home / 13,818,681.12-20,730,678.46-5,298,353.12

Finding the Fourth Proportional to 13,818,681.12, 20,730,678.46 and 5,298,353.12

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Solution

The fourth proportional to 13,818,681.12, 20,730,678.46 and 5,298,353.12 is: 7,948,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,681.12 : 20,730,678.46 = 5,298,353.12 : x
  2. Step 2: Convert to fraction form
    13,818,681.12/20,730,678.46 = 5,298,353.12/x
  3. Step 3: Cross multiply
    13,818,681.12x = 20,730,678.46 × 5,298,353.12
  4. Step 4: Simplify right side
    13,818,681.12x = 109,838,454,898,257.80
  5. Step 5: Solve for x
    x = 109,838,454,898,257.80/13,818,681.12
  6. Step 6: Final answer
    x = 7,948,548.34

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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.