Home / 12,251,303.80-18,376,955.70-10,338,116.20

Finding the Fourth Proportional to 12,251,303.80, 18,376,955.70 and 10,338,116.20

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Solution

The fourth proportional to 12,251,303.80, 18,376,955.70 and 10,338,116.20 is: 15,507,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,303.80 : 18,376,955.70 = 10,338,116.20 : x
  2. Step 2: Convert to fraction form
    12,251,303.80/18,376,955.70 = 10,338,116.20/x
  3. Step 3: Cross multiply
    12,251,303.80x = 18,376,955.70 × 10,338,116.20
  4. Step 4: Simplify right side
    12,251,303.80x = 189,983,103,428,852.31
  5. Step 5: Solve for x
    x = 189,983,103,428,852.31/12,251,303.80
  6. Step 6: Final answer
    x = 15,507,174.30

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1.5x scale

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.