Home / 20,012,924.82-27,620,798.56-12,671,439.24

Finding the Fourth Proportional to 20,012,924.82, 27,620,798.56 and 12,671,439.24

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Solution

The fourth proportional to 20,012,924.82, 27,620,798.56 and 12,671,439.24 is: 17,488,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,924.82 : 27,620,798.56 = 12,671,439.24 : x
  2. Step 2: Convert to fraction form
    20,012,924.82/27,620,798.56 = 12,671,439.24/x
  3. Step 3: Cross multiply
    20,012,924.82x = 27,620,798.56 × 12,671,439.24
  4. Step 4: Simplify right side
    20,012,924.82x = 349,995,270,713,319.50
  5. Step 5: Solve for x
    x = 349,995,270,713,319.50/20,012,924.82
  6. Step 6: Final answer
    x = 17,488,461.77

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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.