Home / 13,802,990.46-19,048,202.51-8,005,209.72

Finding the Fourth Proportional to 13,802,990.46, 19,048,202.51 and 8,005,209.72

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Solution

The fourth proportional to 13,802,990.46, 19,048,202.51 and 8,005,209.72 is: 11,047,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,990.46 : 19,048,202.51 = 8,005,209.72 : x
  2. Step 2: Convert to fraction form
    13,802,990.46/19,048,202.51 = 8,005,209.72/x
  3. Step 3: Cross multiply
    13,802,990.46x = 19,048,202.51 × 8,005,209.72
  4. Step 4: Simplify right side
    13,802,990.46x = 152,484,855,841,554.34
  5. Step 5: Solve for x
    x = 152,484,855,841,554.34/13,802,990.46
  6. Step 6: Final answer
    x = 11,047,233.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.