Home / 20,937,886.43-31,406,840.78-6,562,074.06

Finding the Fourth Proportional to 20,937,886.43, 31,406,840.78 and 6,562,074.06

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Solution

The fourth proportional to 20,937,886.43, 31,406,840.78 and 6,562,074.06 is: 9,843,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,937,886.43 : 31,406,840.78 = 6,562,074.06 : x
  2. Step 2: Convert to fraction form
    20,937,886.43/31,406,840.78 = 6,562,074.06/x
  3. Step 3: Cross multiply
    20,937,886.43x = 31,406,840.78 × 6,562,074.06
  4. Step 4: Simplify right side
    20,937,886.43x = 206,094,015,156,177.78
  5. Step 5: Solve for x
    x = 206,094,015,156,177.78/20,937,886.43
  6. Step 6: Final answer
    x = 9,843,114.58

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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.