Home / 8,487,961.40-11,713,388.16-4,620,511.92

Finding the Fourth Proportional to 8,487,961.40, 11,713,388.16 and 4,620,511.92

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Solution

The fourth proportional to 8,487,961.40, 11,713,388.16 and 4,620,511.92 is: 6,376,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,961.40 : 11,713,388.16 = 4,620,511.92 : x
  2. Step 2: Convert to fraction form
    8,487,961.40/11,713,388.16 = 4,620,511.92/x
  3. Step 3: Cross multiply
    8,487,961.40x = 11,713,388.16 × 4,620,511.92
  4. Step 4: Simplify right side
    8,487,961.40x = 54,121,849,616,866.87
  5. Step 5: Solve for x
    x = 54,121,849,616,866.87/8,487,961.40
  6. Step 6: Final answer
    x = 6,376,307.23

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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.