Home / 13,480,208.20-20,220,312.30-3,895,899.40

Finding the Fourth Proportional to 13,480,208.20, 20,220,312.30 and 3,895,899.40

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Solution

The fourth proportional to 13,480,208.20, 20,220,312.30 and 3,895,899.40 is: 5,843,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,208.20 : 20,220,312.30 = 3,895,899.40 : x
  2. Step 2: Convert to fraction form
    13,480,208.20/20,220,312.30 = 3,895,899.40/x
  3. Step 3: Cross multiply
    13,480,208.20x = 20,220,312.30 × 3,895,899.40
  4. Step 4: Simplify right side
    13,480,208.20x = 78,776,302,557,382.62
  5. Step 5: Solve for x
    x = 78,776,302,557,382.62/13,480,208.20
  6. Step 6: Final answer
    x = 5,843,849.10

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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.