Home / 31,432,643.70-47,148,965.55-27,653,507.70

Finding the Fourth Proportional to 31,432,643.70, 47,148,965.55 and 27,653,507.70

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Solution

The fourth proportional to 31,432,643.70, 47,148,965.55 and 27,653,507.70 is: 41,480,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432,643.70 : 47,148,965.55 = 27,653,507.70 : x
  2. Step 2: Convert to fraction form
    31,432,643.70/47,148,965.55 = 27,653,507.70/x
  3. Step 3: Cross multiply
    31,432,643.70x = 47,148,965.55 × 27,653,507.70
  4. Step 4: Simplify right side
    31,432,643.70x = 1,303,834,281,883,959.50
  5. Step 5: Solve for x
    x = 1,303,834,281,883,959.50/31,432,643.70
  6. Step 6: Final answer
    x = 41,480,261.55

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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.