Home / 20,736,178.10-31,104,267.16-15,697,330.10

Finding the Fourth Proportional to 20,736,178.10, 31,104,267.16 and 15,697,330.10

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Solution

The fourth proportional to 20,736,178.10, 31,104,267.16 and 15,697,330.10 is: 23,545,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,178.10 : 31,104,267.16 = 15,697,330.10 : x
  2. Step 2: Convert to fraction form
    20,736,178.10/31,104,267.16 = 15,697,330.10/x
  3. Step 3: Cross multiply
    20,736,178.10x = 31,104,267.16 × 15,697,330.10
  4. Step 4: Simplify right side
    20,736,178.10x = 488,253,949,129,109.50
  5. Step 5: Solve for x
    x = 488,253,949,129,109.50/20,736,178.10
  6. Step 6: Final answer
    x = 23,545,995.16

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Double scale
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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.