Home / 12,088,431.40-18,146,643.90-7,301,525.80

Finding the Fourth Proportional to 12,088,431.40, 18,146,643.90 and 7,301,525.80

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Solution

The fourth proportional to 12,088,431.40, 18,146,643.90 and 7,301,525.80 is: 10,960,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,431.40 : 18,146,643.90 = 7,301,525.80 : x
  2. Step 2: Convert to fraction form
    12,088,431.40/18,146,643.90 = 7,301,525.80/x
  3. Step 3: Cross multiply
    12,088,431.40x = 18,146,643.90 × 7,301,525.80
  4. Step 4: Simplify right side
    12,088,431.40x = 132,498,188,619,262.61
  5. Step 5: Solve for x
    x = 132,498,188,619,262.61/12,088,431.40
  6. Step 6: Final answer
    x = 10,960,742.90

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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.