Home / 20,671,008.80-31,006,513.20-10,593,312.80

Finding the Fourth Proportional to 20,671,008.80, 31,006,513.20 and 10,593,312.80

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Solution

The fourth proportional to 20,671,008.80, 31,006,513.20 and 10,593,312.80 is: 15,889,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,008.80 : 31,006,513.20 = 10,593,312.80 : x
  2. Step 2: Convert to fraction form
    20,671,008.80/31,006,513.20 = 10,593,312.80/x
  3. Step 3: Cross multiply
    20,671,008.80x = 31,006,513.20 × 10,593,312.80
  4. Step 4: Simplify right side
    20,671,008.80x = 328,461,693,164,929
  5. Step 5: Solve for x
    x = 328,461,693,164,929/20,671,008.80
  6. Step 6: Final answer
    x = 15,889,969.20

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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.