Home / 15,082,645.50-20,813,875.83-8,207,009.10

Finding the Fourth Proportional to 15,082,645.50, 20,813,875.83 and 8,207,009.10

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Solution

The fourth proportional to 15,082,645.50, 20,813,875.83 and 8,207,009.10 is: 11,325,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082,645.50 : 20,813,875.83 = 8,207,009.10 : x
  2. Step 2: Convert to fraction form
    15,082,645.50/20,813,875.83 = 8,207,009.10/x
  3. Step 3: Cross multiply
    15,082,645.50x = 20,813,875.83 × 8,207,009.10
  4. Step 4: Simplify right side
    15,082,645.50x = 170,819,668,343,080.03
  5. Step 5: Solve for x
    x = 170,819,668,343,080.03/15,082,645.50
  6. Step 6: Final answer
    x = 11,325,577.36

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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.