Home / 36,154,017.12-49,899,785.22-21,477,836.91

Finding the Fourth Proportional to 36,154,017.12, 49,899,785.22 and 21,477,836.91

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Solution

The fourth proportional to 36,154,017.12, 49,899,785.22 and 21,477,836.91 is: 29,643,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154,017.12 : 49,899,785.22 = 21,477,836.91 : x
  2. Step 2: Convert to fraction form
    36,154,017.12/49,899,785.22 = 21,477,836.91/x
  3. Step 3: Cross multiply
    36,154,017.12x = 49,899,785.22 × 21,477,836.91
  4. Step 4: Simplify right side
    36,154,017.12x = 1,071,739,448,799,188.50
  5. Step 5: Solve for x
    x = 1,071,739,448,799,188.50/36,154,017.12
  6. Step 6: Final answer
    x = 29,643,716.91

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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.