Home / 23,022,873.92-31,771,667.52-12,709,681.76

Finding the Fourth Proportional to 23,022,873.92, 31,771,667.52 and 12,709,681.76

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Solution

The fourth proportional to 23,022,873.92, 31,771,667.52 and 12,709,681.76 is: 17,539,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022,873.92 : 31,771,667.52 = 12,709,681.76 : x
  2. Step 2: Convert to fraction form
    23,022,873.92/31,771,667.52 = 12,709,681.76/x
  3. Step 3: Cross multiply
    23,022,873.92x = 31,771,667.52 × 12,709,681.76
  4. Step 4: Simplify right side
    23,022,873.92x = 403,807,783,163,728.44
  5. Step 5: Solve for x
    x = 403,807,783,163,728.44/23,022,873.92
  6. Step 6: Final answer
    x = 17,539,416.87

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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.