Home / 28,534,670.42-42,776,811.38-21,833,002.58

Finding the Fourth Proportional to 28,534,670.42, 42,776,811.38 and 21,833,002.58

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Solution

The fourth proportional to 28,534,670.42, 42,776,811.38 and 21,833,002.58 is: 32,730,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534,670.42 : 42,776,811.38 = 21,833,002.58 : x
  2. Step 2: Convert to fraction form
    28,534,670.42/42,776,811.38 = 21,833,002.58/x
  3. Step 3: Cross multiply
    28,534,670.42x = 42,776,811.38 × 21,833,002.58
  4. Step 4: Simplify right side
    28,534,670.42x = 933,946,233,223,713.38
  5. Step 5: Solve for x
    x = 933,946,233,223,713.38/28,534,670.42
  6. Step 6: Final answer
    x = 32,730,226.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.