Home / 7,122,904.96-9,828,521.67-4,024,297.72

Finding the Fourth Proportional to 7,122,904.96, 9,828,521.67 and 4,024,297.72

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Solution

The fourth proportional to 7,122,904.96, 9,828,521.67 and 4,024,297.72 is: 5,552,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,904.96 : 9,828,521.67 = 4,024,297.72 : x
  2. Step 2: Convert to fraction form
    7,122,904.96/9,828,521.67 = 4,024,297.72/x
  3. Step 3: Cross multiply
    7,122,904.96x = 9,828,521.67 × 4,024,297.72
  4. Step 4: Simplify right side
    7,122,904.96x = 39,552,897,373,207.66
  5. Step 5: Solve for x
    x = 39,552,897,373,207.66/7,122,904.96
  6. Step 6: Final answer
    x = 5,552,916.63

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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.