Home / 12,101,914.50-18,156,417.20-3,904,390.50

Finding the Fourth Proportional to 12,101,914.50, 18,156,417.20 and 3,904,390.50

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Solution

The fourth proportional to 12,101,914.50, 18,156,417.20 and 3,904,390.50 is: 5,857,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,914.50 : 18,156,417.20 = 3,904,390.50 : x
  2. Step 2: Convert to fraction form
    12,101,914.50/18,156,417.20 = 3,904,390.50/x
  3. Step 3: Cross multiply
    12,101,914.50x = 18,156,417.20 × 3,904,390.50
  4. Step 4: Simplify right side
    12,101,914.50x = 70,889,742,829,716.59
  5. Step 5: Solve for x
    x = 70,889,742,829,716.59/12,101,914.50
  6. Step 6: Final answer
    x = 5,857,729.60

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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.