Home / 36,153,937.81-49,899,675.78-21,477,757.19

Finding the Fourth Proportional to 36,153,937.81, 49,899,675.78 and 21,477,757.19

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Solution

The fourth proportional to 36,153,937.81, 49,899,675.78 and 21,477,757.19 is: 29,643,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,153,937.81 : 49,899,675.78 = 21,477,757.19 : x
  2. Step 2: Convert to fraction form
    36,153,937.81/49,899,675.78 = 21,477,757.19/x
  3. Step 3: Cross multiply
    36,153,937.81x = 49,899,675.78 × 21,477,757.19
  4. Step 4: Simplify right side
    36,153,937.81x = 1,071,733,120,387,313
  5. Step 5: Solve for x
    x = 1,071,733,120,387,313/36,153,937.81
  6. Step 6: Final answer
    x = 29,643,606.90

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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.