Home / 12,765,915.95-17,616,246.17-7,260,630.08

Finding the Fourth Proportional to 12,765,915.95, 17,616,246.17 and 7,260,630.08

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Solution

The fourth proportional to 12,765,915.95, 17,616,246.17 and 7,260,630.08 is: 10,019,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,915.95 : 17,616,246.17 = 7,260,630.08 : x
  2. Step 2: Convert to fraction form
    12,765,915.95/17,616,246.17 = 7,260,630.08/x
  3. Step 3: Cross multiply
    12,765,915.95x = 17,616,246.17 × 7,260,630.08
  4. Step 4: Simplify right side
    12,765,915.95x = 127,905,046,714,202.41
  5. Step 5: Solve for x
    x = 127,905,046,714,202.41/12,765,915.95
  6. Step 6: Final answer
    x = 10,019,261.23

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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.