Home / 13,013,909.34-19,499,518.89-9,220,621.02

Finding the Fourth Proportional to 13,013,909.34, 19,499,518.89 and 9,220,621.02

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Solution

The fourth proportional to 13,013,909.34, 19,499,518.89 and 9,220,621.02 is: 13,815,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,909.34 : 19,499,518.89 = 9,220,621.02 : x
  2. Step 2: Convert to fraction form
    13,013,909.34/19,499,518.89 = 9,220,621.02/x
  3. Step 3: Cross multiply
    13,013,909.34x = 19,499,518.89 × 9,220,621.02
  4. Step 4: Simplify right side
    13,013,909.34x = 179,797,673,757,021.06
  5. Step 5: Solve for x
    x = 179,797,673,757,021.06/13,013,909.34
  6. Step 6: Final answer
    x = 13,815,808.08

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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.