Home / 7,815,315.78-10,790,398.80-4,879,602.41

Finding the Fourth Proportional to 7,815,315.78, 10,790,398.80 and 4,879,602.41

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Solution

The fourth proportional to 7,815,315.78, 10,790,398.80 and 4,879,602.41 is: 6,737,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,315.78 : 10,790,398.80 = 4,879,602.41 : x
  2. Step 2: Convert to fraction form
    7,815,315.78/10,790,398.80 = 4,879,602.41/x
  3. Step 3: Cross multiply
    7,815,315.78x = 10,790,398.80 × 4,879,602.41
  4. Step 4: Simplify right side
    7,815,315.78x = 52,652,855,935,389.12
  5. Step 5: Solve for x
    x = 52,652,855,935,389.12/7,815,315.78
  6. Step 6: Final answer
    x = 6,737,137.36

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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.