Home / 12,224,631.51-16,870,091.54-7,643,608.47

Finding the Fourth Proportional to 12,224,631.51, 16,870,091.54 and 7,643,608.47

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Solution

The fourth proportional to 12,224,631.51, 16,870,091.54 and 7,643,608.47 is: 10,548,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,631.51 : 16,870,091.54 = 7,643,608.47 : x
  2. Step 2: Convert to fraction form
    12,224,631.51/16,870,091.54 = 7,643,608.47/x
  3. Step 3: Cross multiply
    12,224,631.51x = 16,870,091.54 × 7,643,608.47
  4. Step 4: Simplify right side
    12,224,631.51x = 128,948,374,546,601.30
  5. Step 5: Solve for x
    x = 128,948,374,546,601.30/12,224,631.51
  6. Step 6: Final answer
    x = 10,548,242.25

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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.