Home / 7,048,111.69-9,726,843.65-3,950,635.86

Finding the Fourth Proportional to 7,048,111.69, 9,726,843.65 and 3,950,635.86

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Solution

The fourth proportional to 7,048,111.69, 9,726,843.65 and 3,950,635.86 is: 5,452,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048,111.69 : 9,726,843.65 = 3,950,635.86 : x
  2. Step 2: Convert to fraction form
    7,048,111.69/9,726,843.65 = 3,950,635.86/x
  3. Step 3: Cross multiply
    7,048,111.69x = 9,726,843.65 × 3,950,635.86
  4. Step 4: Simplify right side
    7,048,111.69x = 38,427,217,328,303.29
  5. Step 5: Solve for x
    x = 38,427,217,328,303.29/7,048,111.69
  6. Step 6: Final answer
    x = 5,452,129.45

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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.