Home / 7,185,948.66-9,916,260.93-4,088,180.34

Finding the Fourth Proportional to 7,185,948.66, 9,916,260.93 and 4,088,180.34

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Solution

The fourth proportional to 7,185,948.66, 9,916,260.93 and 4,088,180.34 is: 5,641,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,948.66 : 9,916,260.93 = 4,088,180.34 : x
  2. Step 2: Convert to fraction form
    7,185,948.66/9,916,260.93 = 4,088,180.34/x
  3. Step 3: Cross multiply
    7,185,948.66x = 9,916,260.93 × 4,088,180.34
  4. Step 4: Simplify right side
    7,185,948.66x = 40,539,462,980,336.12
  5. Step 5: Solve for x
    x = 40,539,462,980,336.12/7,185,948.66
  6. Step 6: Final answer
    x = 5,641,490.76

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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.