Home / 11,335,128.94-15,642,633.37-6,178,479.40

Finding the Fourth Proportional to 11,335,128.94, 15,642,633.37 and 6,178,479.40

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Solution

The fourth proportional to 11,335,128.94, 15,642,633.37 and 6,178,479.40 is: 8,526,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335,128.94 : 15,642,633.37 = 6,178,479.40 : x
  2. Step 2: Convert to fraction form
    11,335,128.94/15,642,633.37 = 6,178,479.40/x
  3. Step 3: Cross multiply
    11,335,128.94x = 15,642,633.37 × 6,178,479.40
  4. Step 4: Simplify right side
    11,335,128.94x = 96,647,688,007,405.19
  5. Step 5: Solve for x
    x = 96,647,688,007,405.19/11,335,128.94
  6. Step 6: Final answer
    x = 8,526,386.29

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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.