Home / 16,164,329.60-22,309,664.64-9,638,379.20

Finding the Fourth Proportional to 16,164,329.60, 22,309,664.64 and 9,638,379.20

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Solution

The fourth proportional to 16,164,329.60, 22,309,664.64 and 9,638,379.20 is: 13,302,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,164,329.60 : 22,309,664.64 = 9,638,379.20 : x
  2. Step 2: Convert to fraction form
    16,164,329.60/22,309,664.64 = 9,638,379.20/x
  3. Step 3: Cross multiply
    16,164,329.60x = 22,309,664.64 × 9,638,379.20
  4. Step 4: Simplify right side
    16,164,329.60x = 215,029,007,625,151.47
  5. Step 5: Solve for x
    x = 215,029,007,625,151.47/16,164,329.60
  6. Step 6: Final answer
    x = 13,302,686.41

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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.