Home / 8,710,810.28-13,067,959.54-4,878,083.21

Finding the Fourth Proportional to 8,710,810.28, 13,067,959.54 and 4,878,083.21

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Solution

The fourth proportional to 8,710,810.28, 13,067,959.54 and 4,878,083.21 is: 7,318,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710,810.28 : 13,067,959.54 = 4,878,083.21 : x
  2. Step 2: Convert to fraction form
    8,710,810.28/13,067,959.54 = 4,878,083.21/x
  3. Step 3: Cross multiply
    8,710,810.28x = 13,067,959.54 × 4,878,083.21
  4. Step 4: Simplify right side
    8,710,810.28x = 63,746,593,943,498.32
  5. Step 5: Solve for x
    x = 63,746,593,943,498.32/8,710,810.28
  6. Step 6: Final answer
    x = 7,318,101.52

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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.