Home / 15,281,816.16-21,090,451.50-8,756,311.44

Finding the Fourth Proportional to 15,281,816.16, 21,090,451.50 and 8,756,311.44

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Solution

The fourth proportional to 15,281,816.16, 21,090,451.50 and 8,756,311.44 is: 12,084,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281,816.16 : 21,090,451.50 = 8,756,311.44 : x
  2. Step 2: Convert to fraction form
    15,281,816.16/21,090,451.50 = 8,756,311.44/x
  3. Step 3: Cross multiply
    15,281,816.16x = 21,090,451.50 × 8,756,311.44
  4. Step 4: Simplify right side
    15,281,816.16x = 184,674,561,744,215.16
  5. Step 5: Solve for x
    x = 184,674,561,744,215.16/15,281,816.16
  6. Step 6: Final answer
    x = 12,084,595.17

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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.