Home / 28,510,457-42,769,954.50-10,318,908.50

Finding the Fourth Proportional to 28,510,457, 42,769,954.50 and 10,318,908.50

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Solution

The fourth proportional to 28,510,457, 42,769,954.50 and 10,318,908.50 is: 15,479,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,457 : 42,769,954.50 = 10,318,908.50 : x
  2. Step 2: Convert to fraction form
    28,510,457/42,769,954.50 = 10,318,908.50/x
  3. Step 3: Cross multiply
    28,510,457x = 42,769,954.50 × 10,318,908.50
  4. Step 4: Simplify right side
    28,510,457x = 441,339,247,034,663.25
  5. Step 5: Solve for x
    x = 441,339,247,034,663.25/28,510,457
  6. Step 6: Final answer
    x = 15,479,907.85

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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.