Home / 21,248,963.15-31,869,878.96-5,897,812.37

Finding the Fourth Proportional to 21,248,963.15, 31,869,878.96 and 5,897,812.37

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Solution

The fourth proportional to 21,248,963.15, 31,869,878.96 and 5,897,812.37 is: 8,845,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,963.15 : 31,869,878.96 = 5,897,812.37 : x
  2. Step 2: Convert to fraction form
    21,248,963.15/31,869,878.96 = 5,897,812.37/x
  3. Step 3: Cross multiply
    21,248,963.15x = 31,869,878.96 × 5,897,812.37
  4. Step 4: Simplify right side
    21,248,963.15x = 187,962,566,216,085.88
  5. Step 5: Solve for x
    x = 187,962,566,216,085.88/21,248,963.15
  6. Step 6: Final answer
    x = 8,845,728.84

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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.