Home / 9,515,858.69-13,131,533.16-5,164,852.25

Finding the Fourth Proportional to 9,515,858.69, 13,131,533.16 and 5,164,852.25

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Solution

The fourth proportional to 9,515,858.69, 13,131,533.16 and 5,164,852.25 is: 7,127,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,858.69 : 13,131,533.16 = 5,164,852.25 : x
  2. Step 2: Convert to fraction form
    9,515,858.69/13,131,533.16 = 5,164,852.25/x
  3. Step 3: Cross multiply
    9,515,858.69x = 13,131,533.16 × 5,164,852.25
  4. Step 4: Simplify right side
    9,515,858.69x = 67,822,428,521,717.95
  5. Step 5: Solve for x
    x = 67,822,428,521,717.95/9,515,858.69
  6. Step 6: Final answer
    x = 7,127,305.14

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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.