Home / 9,978,389.40-14,967,584.10-7,826,053.35

Finding the Fourth Proportional to 9,978,389.40, 14,967,584.10 and 7,826,053.35

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Solution

The fourth proportional to 9,978,389.40, 14,967,584.10 and 7,826,053.35 is: 11,739,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,389.40 : 14,967,584.10 = 7,826,053.35 : x
  2. Step 2: Convert to fraction form
    9,978,389.40/14,967,584.10 = 7,826,053.35/x
  3. Step 3: Cross multiply
    9,978,389.40x = 14,967,584.10 × 7,826,053.35
  4. Step 4: Simplify right side
    9,978,389.40x = 117,137,111,687,211.72
  5. Step 5: Solve for x
    x = 117,137,111,687,211.72/9,978,389.40
  6. Step 6: Final answer
    x = 11,739,080.03

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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.