Home / 40,227,267.36-55,512,564.48-21,892,159.20

Finding the Fourth Proportional to 40,227,267.36, 55,512,564.48 and 21,892,159.20

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Solution

The fourth proportional to 40,227,267.36, 55,512,564.48 and 21,892,159.20 is: 30,210,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,227,267.36 : 55,512,564.48 = 21,892,159.20 : x
  2. Step 2: Convert to fraction form
    40,227,267.36/55,512,564.48 = 21,892,159.20/x
  3. Step 3: Cross multiply
    40,227,267.36x = 55,512,564.48 × 21,892,159.20
  4. Step 4: Simplify right side
    40,227,267.36x = 1,215,289,899,196,425
  5. Step 5: Solve for x
    x = 1,215,289,899,196,425/40,227,267.36
  6. Step 6: Final answer
    x = 30,210,600.40

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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.