Home / 20,105,332.84-27,754,996.02-12,376,999.72

Finding the Fourth Proportional to 20,105,332.84, 27,754,996.02 and 12,376,999.72

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Solution

The fourth proportional to 20,105,332.84, 27,754,996.02 and 12,376,999.72 is: 17,086,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105,332.84 : 27,754,996.02 = 12,376,999.72 : x
  2. Step 2: Convert to fraction form
    20,105,332.84/27,754,996.02 = 12,376,999.72/x
  3. Step 3: Cross multiply
    20,105,332.84x = 27,754,996.02 × 12,376,999.72
  4. Step 4: Simplify right side
    20,105,332.84x = 343,523,577,968,141.12
  5. Step 5: Solve for x
    x = 343,523,577,968,141.12/20,105,332.84
  6. Step 6: Final answer
    x = 17,086,192.04

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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.