Home / 12,412,416.30-18,609,767.10-5,583,399.45

Finding the Fourth Proportional to 12,412,416.30, 18,609,767.10 and 5,583,399.45

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Solution

The fourth proportional to 12,412,416.30, 18,609,767.10 and 5,583,399.45 is: 8,371,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,416.30 : 18,609,767.10 = 5,583,399.45 : x
  2. Step 2: Convert to fraction form
    12,412,416.30/18,609,767.10 = 5,583,399.45/x
  3. Step 3: Cross multiply
    12,412,416.30x = 18,609,767.10 × 5,583,399.45
  4. Step 4: Simplify right side
    12,412,416.30x = 103,905,763,390,768.11
  5. Step 5: Solve for x
    x = 103,905,763,390,768.11/12,412,416.30
  6. Step 6: Final answer
    x = 8,371,114.93

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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.