Home / 23,101,850-31,809,339.96-20,519,045.12

Finding the Fourth Proportional to 23,101,850, 31,809,339.96 and 20,519,045.12

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Solution

The fourth proportional to 23,101,850, 31,809,339.96 and 20,519,045.12 is: 28,253,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,850 : 31,809,339.96 = 20,519,045.12 : x
  2. Step 2: Convert to fraction form
    23,101,850/31,809,339.96 = 20,519,045.12/x
  3. Step 3: Cross multiply
    23,101,850x = 31,809,339.96 × 20,519,045.12
  4. Step 4: Simplify right side
    23,101,850x = 652,697,281,876,659
  5. Step 5: Solve for x
    x = 652,697,281,876,659/23,101,850
  6. Step 6: Final answer
    x = 28,253,030.90

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Double scale
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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.