Home / 18,345,645.36-25,317,006.89-10,085,848.18

Finding the Fourth Proportional to 18,345,645.36, 25,317,006.89 and 10,085,848.18

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Solution

The fourth proportional to 18,345,645.36, 25,317,006.89 and 10,085,848.18 is: 13,918,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,645.36 : 25,317,006.89 = 10,085,848.18 : x
  2. Step 2: Convert to fraction form
    18,345,645.36/25,317,006.89 = 10,085,848.18/x
  3. Step 3: Cross multiply
    18,345,645.36x = 25,317,006.89 × 10,085,848.18
  4. Step 4: Simplify right side
    18,345,645.36x = 255,343,487,864,553.97
  5. Step 5: Solve for x
    x = 255,343,487,864,553.97/18,345,645.36
  6. Step 6: Final answer
    x = 13,918,479.45

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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.