Home / 28,226,607.20-42,276,925.20-21,816,072.80

Finding the Fourth Proportional to 28,226,607.20, 42,276,925.20 and 21,816,072.80

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Solution

The fourth proportional to 28,226,607.20, 42,276,925.20 and 21,816,072.80 is: 32,675,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226,607.20 : 42,276,925.20 = 21,816,072.80 : x
  2. Step 2: Convert to fraction form
    28,226,607.20/42,276,925.20 = 21,816,072.80/x
  3. Step 3: Cross multiply
    28,226,607.20x = 42,276,925.20 × 21,816,072.80
  4. Step 4: Simplify right side
    28,226,607.20x = 922,316,477,923,354.62
  5. Step 5: Solve for x
    x = 922,316,477,923,354.62/28,226,607.20
  6. Step 6: Final answer
    x = 32,675,428.24

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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.