Home / 15,617,258.16-21,551,666.04-8,999,415.24

Finding the Fourth Proportional to 15,617,258.16, 21,551,666.04 and 8,999,415.24

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Solution

The fourth proportional to 15,617,258.16, 21,551,666.04 and 8,999,415.24 is: 12,419,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617,258.16 : 21,551,666.04 = 8,999,415.24 : x
  2. Step 2: Convert to fraction form
    15,617,258.16/21,551,666.04 = 8,999,415.24/x
  3. Step 3: Cross multiply
    15,617,258.16x = 21,551,666.04 × 8,999,415.24
  4. Step 4: Simplify right side
    15,617,258.16x = 193,952,391,807,766.44
  5. Step 5: Solve for x
    x = 193,952,391,807,766.44/15,617,258.16
  6. Step 6: Final answer
    x = 12,419,106.47

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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.