Home / 12,915,553.19-17,823,464.37-7,114,334.93

Finding the Fourth Proportional to 12,915,553.19, 17,823,464.37 and 7,114,334.93

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Solution

The fourth proportional to 12,915,553.19, 17,823,464.37 and 7,114,334.93 is: 9,817,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,553.19 : 17,823,464.37 = 7,114,334.93 : x
  2. Step 2: Convert to fraction form
    12,915,553.19/17,823,464.37 = 7,114,334.93/x
  3. Step 3: Cross multiply
    12,915,553.19x = 17,823,464.37 × 7,114,334.93
  4. Step 4: Simplify right side
    12,915,553.19x = 126,802,095,105,529.75
  5. Step 5: Solve for x
    x = 126,802,095,105,529.75/12,915,553.19
  6. Step 6: Final answer
    x = 9,817,782.73

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Double scale
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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.