Home / 10,138,338.80-15,210,903.36-3,315,226.64

Finding the Fourth Proportional to 10,138,338.80, 15,210,903.36 and 3,315,226.64

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Solution

The fourth proportional to 10,138,338.80, 15,210,903.36 and 3,315,226.64 is: 4,973,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,338.80 : 15,210,903.36 = 3,315,226.64 : x
  2. Step 2: Convert to fraction form
    10,138,338.80/15,210,903.36 = 3,315,226.64/x
  3. Step 3: Cross multiply
    10,138,338.80x = 15,210,903.36 × 3,315,226.64
  4. Step 4: Simplify right side
    10,138,338.80x = 50,427,592,037,537.51
  5. Step 5: Solve for x
    x = 50,427,592,037,537.51/10,138,338.80
  6. Step 6: Final answer
    x = 4,973,950.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.