Home / 34,652,772-47,714,005.80-30,778,564.68

Finding the Fourth Proportional to 34,652,772, 47,714,005.80 and 30,778,564.68

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Solution

The fourth proportional to 34,652,772, 47,714,005.80 and 30,778,564.68 is: 42,379,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,652,772 : 47,714,005.80 = 30,778,564.68 : x
  2. Step 2: Convert to fraction form
    34,652,772/47,714,005.80 = 30,778,564.68/x
  3. Step 3: Cross multiply
    34,652,772x = 47,714,005.80 × 30,778,564.68
  4. Step 4: Simplify right side
    34,652,772x = 1,468,568,613,657,195
  5. Step 5: Solve for x
    x = 1,468,568,613,657,195/34,652,772
  6. Step 6: Final answer
    x = 42,379,542.21

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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.