Home / 15,669,090.10-21,624,019.63-8,699,767.75

Finding the Fourth Proportional to 15,669,090.10, 21,624,019.63 and 8,699,767.75

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Solution

The fourth proportional to 15,669,090.10, 21,624,019.63 and 8,699,767.75 is: 12,006,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669,090.10 : 21,624,019.63 = 8,699,767.75 : x
  2. Step 2: Convert to fraction form
    15,669,090.10/21,624,019.63 = 8,699,767.75/x
  3. Step 3: Cross multiply
    15,669,090.10x = 21,624,019.63 × 8,699,767.75
  4. Step 4: Simplify right side
    15,669,090.10x = 188,123,948,526,631.50
  5. Step 5: Solve for x
    x = 188,123,948,526,631.50/15,669,090.10
  6. Step 6: Final answer
    x = 12,006,054.43

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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.