Home / 20,671,018.80-31,006,528.20-10,593,322.80

Finding the Fourth Proportional to 20,671,018.80, 31,006,528.20 and 10,593,322.80

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Solution

The fourth proportional to 20,671,018.80, 31,006,528.20 and 10,593,322.80 is: 15,889,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,018.80 : 31,006,528.20 = 10,593,322.80 : x
  2. Step 2: Convert to fraction form
    20,671,018.80/31,006,528.20 = 10,593,322.80/x
  3. Step 3: Cross multiply
    20,671,018.80x = 31,006,528.20 × 10,593,322.80
  4. Step 4: Simplify right side
    20,671,018.80x = 328,462,162,129,903
  5. Step 5: Solve for x
    x = 328,462,162,129,903/20,671,018.80
  6. Step 6: Final answer
    x = 15,889,984.20

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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.