Home / 31,147,521.60-46,721,282.40-18,392,937.60

Finding the Fourth Proportional to 31,147,521.60, 46,721,282.40 and 18,392,937.60

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Solution

The fourth proportional to 31,147,521.60, 46,721,282.40 and 18,392,937.60 is: 27,589,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,147,521.60 : 46,721,282.40 = 18,392,937.60 : x
  2. Step 2: Convert to fraction form
    31,147,521.60/46,721,282.40 = 18,392,937.60/x
  3. Step 3: Cross multiply
    31,147,521.60x = 46,721,282.40 × 18,392,937.60
  4. Step 4: Simplify right side
    31,147,521.60x = 859,341,631,775,178.25
  5. Step 5: Solve for x
    x = 859,341,631,775,178.25/31,147,521.60
  6. Step 6: Final answer
    x = 27,589,406.40

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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.