Home / 10,446,013.80-15,669,020.70-9,186,301.80

Finding the Fourth Proportional to 10,446,013.80, 15,669,020.70 and 9,186,301.80

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Solution

The fourth proportional to 10,446,013.80, 15,669,020.70 and 9,186,301.80 is: 13,779,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446,013.80 : 15,669,020.70 = 9,186,301.80 : x
  2. Step 2: Convert to fraction form
    10,446,013.80/15,669,020.70 = 9,186,301.80/x
  3. Step 3: Cross multiply
    10,446,013.80x = 15,669,020.70 × 9,186,301.80
  4. Step 4: Simplify right side
    10,446,013.80x = 143,940,353,060,647.25
  5. Step 5: Solve for x
    x = 143,940,353,060,647.25/10,446,013.80
  6. Step 6: Final answer
    x = 13,779,452.70

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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.