Home / 12,772,712.21-17,649,399.53-9,095,244.32

Finding the Fourth Proportional to 12,772,712.21, 17,649,399.53 and 9,095,244.32

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Solution

The fourth proportional to 12,772,712.21, 17,649,399.53 and 9,095,244.32 is: 12,567,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,712.21 : 17,649,399.53 = 9,095,244.32 : x
  2. Step 2: Convert to fraction form
    12,772,712.21/17,649,399.53 = 9,095,244.32/x
  3. Step 3: Cross multiply
    12,772,712.21x = 17,649,399.53 × 9,095,244.32
  4. Step 4: Simplify right side
    12,772,712.21x = 160,525,600,755,102.12
  5. Step 5: Solve for x
    x = 160,525,600,755,102.12/12,772,712.21
  6. Step 6: Final answer
    x = 12,567,855.45

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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.