Home / 15,458,881.59-21,335,880.67-8,936,292.15

Finding the Fourth Proportional to 15,458,881.59, 21,335,880.67 and 8,936,292.15

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Solution

The fourth proportional to 15,458,881.59, 21,335,880.67 and 8,936,292.15 is: 12,333,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458,881.59 : 21,335,880.67 = 8,936,292.15 : x
  2. Step 2: Convert to fraction form
    15,458,881.59/21,335,880.67 = 8,936,292.15/x
  3. Step 3: Cross multiply
    15,458,881.59x = 21,335,880.67 × 8,936,292.15
  4. Step 4: Simplify right side
    15,458,881.59x = 190,663,662,922,317.03
  5. Step 5: Solve for x
    x = 190,663,662,922,317.03/15,458,881.59
  6. Step 6: Final answer
    x = 12,333,600.06

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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.