Home / 7,129,570.92-9,839,224-4,032,368.86

Finding the Fourth Proportional to 7,129,570.92, 9,839,224 and 4,032,368.86

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Solution

The fourth proportional to 7,129,570.92, 9,839,224 and 4,032,368.86 is: 5,564,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,570.92 : 9,839,224 = 4,032,368.86 : x
  2. Step 2: Convert to fraction form
    7,129,570.92/9,839,224 = 4,032,368.86/x
  3. Step 3: Cross multiply
    7,129,570.92x = 9,839,224 × 4,032,368.86
  4. Step 4: Simplify right side
    7,129,570.92x = 39,675,380,464,164.64
  5. Step 5: Solve for x
    x = 39,675,380,464,164.64/7,129,570.92
  6. Step 6: Final answer
    x = 5,564,904.38

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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.