Home / 18,759,187.47-28,133,718.71-6,627,053.64

Finding the Fourth Proportional to 18,759,187.47, 28,133,718.71 and 6,627,053.64

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Solution

The fourth proportional to 18,759,187.47, 28,133,718.71 and 6,627,053.64 is: 9,938,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,187.47 : 28,133,718.71 = 6,627,053.64 : x
  2. Step 2: Convert to fraction form
    18,759,187.47/28,133,718.71 = 6,627,053.64/x
  3. Step 3: Cross multiply
    18,759,187.47x = 28,133,718.71 × 6,627,053.64
  4. Step 4: Simplify right side
    18,759,187.47x = 186,443,662,950,706.31
  5. Step 5: Solve for x
    x = 186,443,662,950,706.31/18,759,187.47
  6. Step 6: Final answer
    x = 9,938,792.03

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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.