Home / 9,934,272-13,709,308.32-5,641,920

Finding the Fourth Proportional to 9,934,272, 13,709,308.32 and 5,641,920

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Solution

The fourth proportional to 9,934,272, 13,709,308.32 and 5,641,920 is: 7,785,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934,272 : 13,709,308.32 = 5,641,920 : x
  2. Step 2: Convert to fraction form
    9,934,272/13,709,308.32 = 5,641,920/x
  3. Step 3: Cross multiply
    9,934,272x = 13,709,308.32 × 5,641,920
  4. Step 4: Simplify right side
    9,934,272x = 77,346,820,796,774.41
  5. Step 5: Solve for x
    x = 77,346,820,796,774.41/9,934,272
  6. Step 6: Final answer
    x = 7,785,856.96

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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.