Home / 15,756,413.64-21,761,786.90-10,590,807.12

Finding the Fourth Proportional to 15,756,413.64, 21,761,786.90 and 10,590,807.12

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Solution

The fourth proportional to 15,756,413.64, 21,761,786.90 and 10,590,807.12 is: 14,627,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,413.64 : 21,761,786.90 = 10,590,807.12 : x
  2. Step 2: Convert to fraction form
    15,756,413.64/21,761,786.90 = 10,590,807.12/x
  3. Step 3: Cross multiply
    15,756,413.64x = 21,761,786.90 × 10,590,807.12
  4. Step 4: Simplify right side
    15,756,413.64x = 230,474,887,644,442.69
  5. Step 5: Solve for x
    x = 230,474,887,644,442.69/15,756,413.64
  6. Step 6: Final answer
    x = 14,627,369.71

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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.