Home / 13,228,314.09-18,254,456.43-7,348,329.39

Finding the Fourth Proportional to 13,228,314.09, 18,254,456.43 and 7,348,329.39

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Solution

The fourth proportional to 13,228,314.09, 18,254,456.43 and 7,348,329.39 is: 10,140,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,314.09 : 18,254,456.43 = 7,348,329.39 : x
  2. Step 2: Convert to fraction form
    13,228,314.09/18,254,456.43 = 7,348,329.39/x
  3. Step 3: Cross multiply
    13,228,314.09x = 18,254,456.43 × 7,348,329.39
  4. Step 4: Simplify right side
    13,228,314.09x = 134,139,758,683,043.47
  5. Step 5: Solve for x
    x = 134,139,758,683,043.47/13,228,314.09
  6. Step 6: Final answer
    x = 10,140,351.81

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1.5x scale

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.