Home / 27,887,266.53-38,443,867.33-19,488,561.35

Finding the Fourth Proportional to 27,887,266.53, 38,443,867.33 and 19,488,561.35

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Solution

The fourth proportional to 27,887,266.53, 38,443,867.33 and 19,488,561.35 is: 26,865,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,266.53 : 38,443,867.33 = 19,488,561.35 : x
  2. Step 2: Convert to fraction form
    27,887,266.53/38,443,867.33 = 19,488,561.35/x
  3. Step 3: Cross multiply
    27,887,266.53x = 38,443,867.33 × 19,488,561.35
  4. Step 4: Simplify right side
    27,887,266.53x = 749,215,666,991,965.75
  5. Step 5: Solve for x
    x = 749,215,666,991,965.75/27,887,266.53
  6. Step 6: Final answer
    x = 26,865,869.63

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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.