Home / 18,784,347.54-28,180,061.04-7,116,213.96

Finding the Fourth Proportional to 18,784,347.54, 28,180,061.04 and 7,116,213.96

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Solution

The fourth proportional to 18,784,347.54, 28,180,061.04 and 7,116,213.96 is: 10,675,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,347.54 : 28,180,061.04 = 7,116,213.96 : x
  2. Step 2: Convert to fraction form
    18,784,347.54/28,180,061.04 = 7,116,213.96/x
  3. Step 3: Cross multiply
    18,784,347.54x = 28,180,061.04 × 7,116,213.96
  4. Step 4: Simplify right side
    18,784,347.54x = 200,535,343,634,265.53
  5. Step 5: Solve for x
    x = 200,535,343,634,265.53/18,784,347.54
  6. Step 6: Final answer
    x = 10,675,661.92

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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.