Home / 13,609,835.20-20,391,133.20-11,484,071.20

Finding the Fourth Proportional to 13,609,835.20, 20,391,133.20 and 11,484,071.20

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Solution

The fourth proportional to 13,609,835.20, 20,391,133.20 and 11,484,071.20 is: 17,206,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,835.20 : 20,391,133.20 = 11,484,071.20 : x
  2. Step 2: Convert to fraction form
    13,609,835.20/20,391,133.20 = 11,484,071.20/x
  3. Step 3: Cross multiply
    13,609,835.20x = 20,391,133.20 × 11,484,071.20
  4. Step 4: Simplify right side
    13,609,835.20x = 234,173,225,517,483.81
  5. Step 5: Solve for x
    x = 234,173,225,517,483.81/13,609,835.20
  6. Step 6: Final answer
    x = 17,206,176.42

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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.