Home / 13,287,888.16-19,929,940.08-4,188,804.64

Finding the Fourth Proportional to 13,287,888.16, 19,929,940.08 and 4,188,804.64

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Solution

The fourth proportional to 13,287,888.16, 19,929,940.08 and 4,188,804.64 is: 6,282,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,888.16 : 19,929,940.08 = 4,188,804.64 : x
  2. Step 2: Convert to fraction form
    13,287,888.16/19,929,940.08 = 4,188,804.64/x
  3. Step 3: Cross multiply
    13,287,888.16x = 19,929,940.08 × 4,188,804.64
  4. Step 4: Simplify right side
    13,287,888.16x = 83,482,625,482,025.97
  5. Step 5: Solve for x
    x = 83,482,625,482,025.97/13,287,888.16
  6. Step 6: Final answer
    x = 6,282,610.49

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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.