Home / 20,695,794.84-28,561,079.52-11,528,441.64

Finding the Fourth Proportional to 20,695,794.84, 28,561,079.52 and 11,528,441.64

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Solution

The fourth proportional to 20,695,794.84, 28,561,079.52 and 11,528,441.64 is: 15,909,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695,794.84 : 28,561,079.52 = 11,528,441.64 : x
  2. Step 2: Convert to fraction form
    20,695,794.84/28,561,079.52 = 11,528,441.64/x
  3. Step 3: Cross multiply
    20,695,794.84x = 28,561,079.52 × 11,528,441.64
  4. Step 4: Simplify right side
    20,695,794.84x = 329,264,738,421,719.25
  5. Step 5: Solve for x
    x = 329,264,738,421,719.25/20,695,794.84
  6. Step 6: Final answer
    x = 15,909,741.13

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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.