Home / 21,699,290-29,945,953.32-12,041,498

Finding the Fourth Proportional to 21,699,290, 29,945,953.32 and 12,041,498

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Solution

The fourth proportional to 21,699,290, 29,945,953.32 and 12,041,498 is: 16,617,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699,290 : 29,945,953.32 = 12,041,498 : x
  2. Step 2: Convert to fraction form
    21,699,290/29,945,953.32 = 12,041,498/x
  3. Step 3: Cross multiply
    21,699,290x = 29,945,953.32 × 12,041,498
  4. Step 4: Simplify right side
    21,699,290x = 360,594,137,010,873.38
  5. Step 5: Solve for x
    x = 360,594,137,010,873.38/21,699,290
  6. Step 6: Final answer
    x = 16,617,785.05

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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.