Home / 8,343,897.21-12,521,111.02-3,551,578.79

Finding the Fourth Proportional to 8,343,897.21, 12,521,111.02 and 3,551,578.79

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Solution

The fourth proportional to 8,343,897.21, 12,521,111.02 and 3,551,578.79 is: 5,329,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343,897.21 : 12,521,111.02 = 3,551,578.79 : x
  2. Step 2: Convert to fraction form
    8,343,897.21/12,521,111.02 = 3,551,578.79/x
  3. Step 3: Cross multiply
    8,343,897.21x = 12,521,111.02 × 3,551,578.79
  4. Step 4: Simplify right side
    8,343,897.21x = 44,469,712,254,382.77
  5. Step 5: Solve for x
    x = 44,469,712,254,382.77/8,343,897.21
  6. Step 6: Final answer
    x = 5,329,609.31

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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.