Home / 22,051,585.40-30,429,937.80-12,261,819.38

Finding the Fourth Proportional to 22,051,585.40, 30,429,937.80 and 12,261,819.38

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Solution

The fourth proportional to 22,051,585.40, 30,429,937.80 and 12,261,819.38 is: 16,920,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051,585.40 : 30,429,937.80 = 12,261,819.38 : x
  2. Step 2: Convert to fraction form
    22,051,585.40/30,429,937.80 = 12,261,819.38/x
  3. Step 3: Cross multiply
    22,051,585.40x = 30,429,937.80 × 12,261,819.38
  4. Step 4: Simplify right side
    22,051,585.40x = 373,126,400,896,084.88
  5. Step 5: Solve for x
    x = 373,126,400,896,084.88/22,051,585.40
  6. Step 6: Final answer
    x = 16,920,615.65

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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.