Home / 37,643,628.40-56,473,315.80-12,087,221.20

Finding the Fourth Proportional to 37,643,628.40, 56,473,315.80 and 12,087,221.20

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Solution

The fourth proportional to 37,643,628.40, 56,473,315.80 and 12,087,221.20 is: 18,133,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643,628.40 : 56,473,315.80 = 12,087,221.20 : x
  2. Step 2: Convert to fraction form
    37,643,628.40/56,473,315.80 = 12,087,221.20/x
  3. Step 3: Cross multiply
    37,643,628.40x = 56,473,315.80 × 12,087,221.20
  4. Step 4: Simplify right side
    37,643,628.40x = 682,605,459,972,054.88
  5. Step 5: Solve for x
    x = 682,605,459,972,054.88/37,643,628.40
  6. Step 6: Final answer
    x = 18,133,359.85

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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.