Home / 22,087,267.36-30,480,065-12,921,462.88

Finding the Fourth Proportional to 22,087,267.36, 30,480,065 and 12,921,462.88

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Solution

The fourth proportional to 22,087,267.36, 30,480,065 and 12,921,462.88 is: 17,831,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,087,267.36 : 30,480,065 = 12,921,462.88 : x
  2. Step 2: Convert to fraction form
    22,087,267.36/30,480,065 = 12,921,462.88/x
  3. Step 3: Cross multiply
    22,087,267.36x = 30,480,065 × 12,921,462.88
  4. Step 4: Simplify right side
    22,087,267.36x = 393,847,028,477,487.25
  5. Step 5: Solve for x
    x = 393,847,028,477,487.25/22,087,267.36
  6. Step 6: Final answer
    x = 17,831,405.85

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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.