Home / 27,646,279.06-38,151,881.50-15,423,136.06

Finding the Fourth Proportional to 27,646,279.06, 38,151,881.50 and 15,423,136.06

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Solution

The fourth proportional to 27,646,279.06, 38,151,881.50 and 15,423,136.06 is: 21,283,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646,279.06 : 38,151,881.50 = 15,423,136.06 : x
  2. Step 2: Convert to fraction form
    27,646,279.06/38,151,881.50 = 15,423,136.06/x
  3. Step 3: Cross multiply
    27,646,279.06x = 38,151,881.50 × 15,423,136.06
  4. Step 4: Simplify right side
    27,646,279.06x = 588,421,659,319,496.88
  5. Step 5: Solve for x
    x = 588,421,659,319,496.88/27,646,279.06
  6. Step 6: Final answer
    x = 21,283,936.91

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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.