Home / 14,761,603.30-20,352,914.40-12,138,942.10

Finding the Fourth Proportional to 14,761,603.30, 20,352,914.40 and 12,138,942.10

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Solution

The fourth proportional to 14,761,603.30, 20,352,914.40 and 12,138,942.10 is: 16,736,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761,603.30 : 20,352,914.40 = 12,138,942.10 : x
  2. Step 2: Convert to fraction form
    14,761,603.30/20,352,914.40 = 12,138,942.10/x
  3. Step 3: Cross multiply
    14,761,603.30x = 20,352,914.40 × 12,138,942.10
  4. Step 4: Simplify right side
    14,761,603.30x = 247,062,849,467,856.22
  5. Step 5: Solve for x
    x = 247,062,849,467,856.22/14,761,603.30
  6. Step 6: Final answer
    x = 16,736,857.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.