Home / 10,282,151.80-15,331,302.62-9,999,657.69

Finding the Fourth Proportional to 10,282,151.80, 15,331,302.62 and 9,999,657.69

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Solution

The fourth proportional to 10,282,151.80, 15,331,302.62 and 9,999,657.69 is: 14,910,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,151.80 : 15,331,302.62 = 9,999,657.69 : x
  2. Step 2: Convert to fraction form
    10,282,151.80/15,331,302.62 = 9,999,657.69/x
  3. Step 3: Cross multiply
    10,282,151.80x = 15,331,302.62 × 9,999,657.69
  4. Step 4: Simplify right side
    10,282,151.80x = 153,307,778,086,798.44
  5. Step 5: Solve for x
    x = 153,307,778,086,798.44/10,282,151.80
  6. Step 6: Final answer
    x = 14,910,087.03

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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.