Home / 7,178,122.96-9,905,460.08-4,277,449.20

Finding the Fourth Proportional to 7,178,122.96, 9,905,460.08 and 4,277,449.20

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Solution

The fourth proportional to 7,178,122.96, 9,905,460.08 and 4,277,449.20 is: 5,902,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,122.96 : 9,905,460.08 = 4,277,449.20 : x
  2. Step 2: Convert to fraction form
    7,178,122.96/9,905,460.08 = 4,277,449.20/x
  3. Step 3: Cross multiply
    7,178,122.96x = 9,905,460.08 × 4,277,449.20
  4. Step 4: Simplify right side
    7,178,122.96x = 42,370,102,294,827.94
  5. Step 5: Solve for x
    x = 42,370,102,294,827.94/7,178,122.96
  6. Step 6: Final answer
    x = 5,902,671.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.