Home / 27,887,792.64-38,486,088.35-15,498,408.16

Finding the Fourth Proportional to 27,887,792.64, 38,486,088.35 and 15,498,408.16

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Solution

The fourth proportional to 27,887,792.64, 38,486,088.35 and 15,498,408.16 is: 21,388,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,792.64 : 38,486,088.35 = 15,498,408.16 : x
  2. Step 2: Convert to fraction form
    27,887,792.64/38,486,088.35 = 15,498,408.16/x
  3. Step 3: Cross multiply
    27,887,792.64x = 38,486,088.35 × 15,498,408.16
  4. Step 4: Simplify right side
    27,887,792.64x = 596,473,105,730,121
  5. Step 5: Solve for x
    x = 596,473,105,730,121/27,887,792.64
  6. Step 6: Final answer
    x = 21,388,322.61

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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.