Home / 20,995,712.30-31,493,568.45-5,849,643.80

Finding the Fourth Proportional to 20,995,712.30, 31,493,568.45 and 5,849,643.80

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Solution

The fourth proportional to 20,995,712.30, 31,493,568.45 and 5,849,643.80 is: 8,774,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,712.30 : 31,493,568.45 = 5,849,643.80 : x
  2. Step 2: Convert to fraction form
    20,995,712.30/31,493,568.45 = 5,849,643.80/x
  3. Step 3: Cross multiply
    20,995,712.30x = 31,493,568.45 × 5,849,643.80
  4. Step 4: Simplify right side
    20,995,712.30x = 184,226,157,423,418.09
  5. Step 5: Solve for x
    x = 184,226,157,423,418.09/20,995,712.30
  6. Step 6: Final answer
    x = 8,774,465.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.