Home / 13,253,272.20-19,879,908.30-6,875,980.20

Finding the Fourth Proportional to 13,253,272.20, 19,879,908.30 and 6,875,980.20

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Solution

The fourth proportional to 13,253,272.20, 19,879,908.30 and 6,875,980.20 is: 10,313,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,272.20 : 19,879,908.30 = 6,875,980.20 : x
  2. Step 2: Convert to fraction form
    13,253,272.20/19,879,908.30 = 6,875,980.20/x
  3. Step 3: Cross multiply
    13,253,272.20x = 19,879,908.30 × 6,875,980.20
  4. Step 4: Simplify right side
    13,253,272.20x = 136,693,855,848,615.67
  5. Step 5: Solve for x
    x = 136,693,855,848,615.67/13,253,272.20
  6. Step 6: Final answer
    x = 10,313,970.30

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Similar ratio
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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.