Home / 22,421,698.80-30,941,944.04-12,108,421.60

Finding the Fourth Proportional to 22,421,698.80, 30,941,944.04 and 12,108,421.60

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Solution

The fourth proportional to 22,421,698.80, 30,941,944.04 and 12,108,421.60 is: 16,709,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,698.80 : 30,941,944.04 = 12,108,421.60 : x
  2. Step 2: Convert to fraction form
    22,421,698.80/30,941,944.04 = 12,108,421.60/x
  3. Step 3: Cross multiply
    22,421,698.80x = 30,941,944.04 × 12,108,421.60
  4. Step 4: Simplify right side
    22,421,698.80x = 374,658,103,559,927.25
  5. Step 5: Solve for x
    x = 374,658,103,559,927.25/22,421,698.80
  6. Step 6: Final answer
    x = 16,709,621.64

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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.