Home / 18,558,037.80-25,608,013.74-10,298,448.20

Finding the Fourth Proportional to 18,558,037.80, 25,608,013.74 and 10,298,448.20

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Solution

The fourth proportional to 18,558,037.80, 25,608,013.74 and 10,298,448.20 is: 14,210,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558,037.80 : 25,608,013.74 = 10,298,448.20 : x
  2. Step 2: Convert to fraction form
    18,558,037.80/25,608,013.74 = 10,298,448.20/x
  3. Step 3: Cross multiply
    18,558,037.80x = 25,608,013.74 × 10,298,448.20
  4. Step 4: Simplify right side
    18,558,037.80x = 263,722,803,070,298.31
  5. Step 5: Solve for x
    x = 263,722,803,070,298.31/18,558,037.80
  6. Step 6: Final answer
    x = 14,210,705.14

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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.