Home / 31,999,455.54-44,117,557.92-20,392,784.10

Finding the Fourth Proportional to 31,999,455.54, 44,117,557.92 and 20,392,784.10

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Solution

The fourth proportional to 31,999,455.54, 44,117,557.92 and 20,392,784.10 is: 28,115,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,999,455.54 : 44,117,557.92 = 20,392,784.10 : x
  2. Step 2: Convert to fraction form
    31,999,455.54/44,117,557.92 = 20,392,784.10/x
  3. Step 3: Cross multiply
    31,999,455.54x = 44,117,557.92 × 20,392,784.10
  4. Step 4: Simplify right side
    31,999,455.54x = 899,679,833,681,805.12
  5. Step 5: Solve for x
    x = 899,679,833,681,805.12/31,999,455.54
  6. Step 6: Final answer
    x = 28,115,473.17

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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.