Home / 28,314,880-42,472,475.52-7,039,744

Finding the Fourth Proportional to 28,314,880, 42,472,475.52 and 7,039,744

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Solution

The fourth proportional to 28,314,880, 42,472,475.52 and 7,039,744 is: 10,559,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314,880 : 42,472,475.52 = 7,039,744 : x
  2. Step 2: Convert to fraction form
    28,314,880/42,472,475.52 = 7,039,744/x
  3. Step 3: Cross multiply
    28,314,880x = 42,472,475.52 × 7,039,744
  4. Step 4: Simplify right side
    28,314,880x = 298,995,354,707,066.88
  5. Step 5: Solve for x
    x = 298,995,354,707,066.88/28,314,880
  6. Step 6: Final answer
    x = 10,559,654.67

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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.