Home / 12,765,343.32-17,616,090.18-7,258,718.60

Finding the Fourth Proportional to 12,765,343.32, 17,616,090.18 and 7,258,718.60

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Solution

The fourth proportional to 12,765,343.32, 17,616,090.18 and 7,258,718.60 is: 10,016,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,343.32 : 17,616,090.18 = 7,258,718.60 : x
  2. Step 2: Convert to fraction form
    12,765,343.32/17,616,090.18 = 7,258,718.60/x
  3. Step 3: Cross multiply
    12,765,343.32x = 17,616,090.18 × 7,258,718.60
  4. Step 4: Simplify right side
    12,765,343.32x = 127,870,241,448,843.34
  5. Step 5: Solve for x
    x = 127,870,241,448,843.34/12,765,343.32
  6. Step 6: Final answer
    x = 10,016,984.13

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1.5x scale

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.