Home / 27,640,410.21-38,144,919.63-15,251,307.21

Finding the Fourth Proportional to 27,640,410.21, 38,144,919.63 and 15,251,307.21

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Solution

The fourth proportional to 27,640,410.21, 38,144,919.63 and 15,251,307.21 is: 21,047,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640,410.21 : 38,144,919.63 = 15,251,307.21 : x
  2. Step 2: Convert to fraction form
    27,640,410.21/38,144,919.63 = 15,251,307.21/x
  3. Step 3: Cross multiply
    27,640,410.21x = 38,144,919.63 × 15,251,307.21
  4. Step 4: Simplify right side
    27,640,410.21x = 581,759,887,777,889.62
  5. Step 5: Solve for x
    x = 581,759,887,777,889.62/27,640,410.21
  6. Step 6: Final answer
    x = 21,047,440.45

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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.