Home / 18,407,606.57-25,402,573.79-10,147,487.39

Finding the Fourth Proportional to 18,407,606.57, 25,402,573.79 and 10,147,487.39

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Solution

The fourth proportional to 18,407,606.57, 25,402,573.79 and 10,147,487.39 is: 14,003,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407,606.57 : 25,402,573.79 = 10,147,487.39 : x
  2. Step 2: Convert to fraction form
    18,407,606.57/25,402,573.79 = 10,147,487.39/x
  3. Step 3: Cross multiply
    18,407,606.57x = 25,402,573.79 × 10,147,487.39
  4. Step 4: Simplify right side
    18,407,606.57x = 257,772,297,055,187.94
  5. Step 5: Solve for x
    x = 257,772,297,055,187.94/18,407,606.57
  6. Step 6: Final answer
    x = 14,003,574.89

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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.