Home / 7,781,283.31-10,714,400.10-7,051,382.32

Finding the Fourth Proportional to 7,781,283.31, 10,714,400.10 and 7,051,382.32

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Solution

The fourth proportional to 7,781,283.31, 10,714,400.10 and 7,051,382.32 is: 9,709,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,283.31 : 10,714,400.10 = 7,051,382.32 : x
  2. Step 2: Convert to fraction form
    7,781,283.31/10,714,400.10 = 7,051,382.32/x
  3. Step 3: Cross multiply
    7,781,283.31x = 10,714,400.10 × 7,051,382.32
  4. Step 4: Simplify right side
    7,781,283.31x = 75,551,331,387,603.88
  5. Step 5: Solve for x
    x = 75,551,331,387,603.88/7,781,283.31
  6. Step 6: Final answer
    x = 9,709,366.48

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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.