Home / 15,415,626.97-21,268,328.01-8,795,459.57

Finding the Fourth Proportional to 15,415,626.97, 21,268,328.01 and 8,795,459.57

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Solution

The fourth proportional to 15,415,626.97, 21,268,328.01 and 8,795,459.57 is: 12,134,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,626.97 : 21,268,328.01 = 8,795,459.57 : x
  2. Step 2: Convert to fraction form
    15,415,626.97/21,268,328.01 = 8,795,459.57/x
  3. Step 3: Cross multiply
    15,415,626.97x = 21,268,328.01 × 8,795,459.57
  4. Step 4: Simplify right side
    15,415,626.97x = 187,064,718,983,134.59
  5. Step 5: Solve for x
    x = 187,064,718,983,134.59/15,415,626.97
  6. Step 6: Final answer
    x = 12,134,746.08

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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.