Home / 22,087,267.86-30,480,065.69-12,921,463.38

Finding the Fourth Proportional to 22,087,267.86, 30,480,065.69 and 12,921,463.38

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Solution

The fourth proportional to 22,087,267.86, 30,480,065.69 and 12,921,463.38 is: 17,831,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,087,267.86 : 30,480,065.69 = 12,921,463.38 : x
  2. Step 2: Convert to fraction form
    22,087,267.86/30,480,065.69 = 12,921,463.38/x
  3. Step 3: Cross multiply
    22,087,267.86x = 30,480,065.69 × 12,921,463.38
  4. Step 4: Simplify right side
    22,087,267.86x = 393,847,052,633,329.50
  5. Step 5: Solve for x
    x = 393,847,052,633,329.50/22,087,267.86
  6. Step 6: Final answer
    x = 17,831,406.54

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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.