Home / 25,685,455.78-35,447,035.89-15,370,193.26

Finding the Fourth Proportional to 25,685,455.78, 35,447,035.89 and 15,370,193.26

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Solution

The fourth proportional to 25,685,455.78, 35,447,035.89 and 15,370,193.26 is: 21,211,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685,455.78 : 35,447,035.89 = 15,370,193.26 : x
  2. Step 2: Convert to fraction form
    25,685,455.78/35,447,035.89 = 15,370,193.26/x
  3. Step 3: Cross multiply
    25,685,455.78x = 35,447,035.89 × 15,370,193.26
  4. Step 4: Simplify right side
    25,685,455.78x = 544,827,792,123,456.12
  5. Step 5: Solve for x
    x = 544,827,792,123,456.12/25,685,455.78
  6. Step 6: Final answer
    x = 21,211,529.08

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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.