Home / 18,696,089.07-28,047,769.50-7,180,713.95

Finding the Fourth Proportional to 18,696,089.07, 28,047,769.50 and 7,180,713.95

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Solution

The fourth proportional to 18,696,089.07, 28,047,769.50 and 7,180,713.95 is: 10,772,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,089.07 : 28,047,769.50 = 7,180,713.95 : x
  2. Step 2: Convert to fraction form
    18,696,089.07/28,047,769.50 = 7,180,713.95/x
  3. Step 3: Cross multiply
    18,696,089.07x = 28,047,769.50 × 7,180,713.95
  4. Step 4: Simplify right side
    18,696,089.07x = 201,403,009,715,034.53
  5. Step 5: Solve for x
    x = 201,403,009,715,034.53/18,696,089.07
  6. Step 6: Final answer
    x = 10,772,467.38

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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.