Home / 10,282,190.22-15,331,359.81-9,999,696.11

Finding the Fourth Proportional to 10,282,190.22, 15,331,359.81 and 9,999,696.11

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Solution

The fourth proportional to 10,282,190.22, 15,331,359.81 and 9,999,696.11 is: 14,910,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,190.22 : 15,331,359.81 = 9,999,696.11 : x
  2. Step 2: Convert to fraction form
    10,282,190.22/15,331,359.81 = 9,999,696.11/x
  3. Step 3: Cross multiply
    10,282,190.22x = 15,331,359.81 × 9,999,696.11
  4. Step 4: Simplify right side
    10,282,190.22x = 153,308,939,013,909.41
  5. Step 5: Solve for x
    x = 153,308,939,013,909.41/10,282,190.22
  6. Step 6: Final answer
    x = 14,910,144.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.