Home / 28,971,218.40-43,462,076.40-14,558,013.60

Finding the Fourth Proportional to 28,971,218.40, 43,462,076.40 and 14,558,013.60

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Solution

The fourth proportional to 28,971,218.40, 43,462,076.40 and 14,558,013.60 is: 21,839,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971,218.40 : 43,462,076.40 = 14,558,013.60 : x
  2. Step 2: Convert to fraction form
    28,971,218.40/43,462,076.40 = 14,558,013.60/x
  3. Step 3: Cross multiply
    28,971,218.40x = 43,462,076.40 × 14,558,013.60
  4. Step 4: Simplify right side
    28,971,218.40x = 632,721,499,315,439
  5. Step 5: Solve for x
    x = 632,721,499,315,439/28,971,218.40
  6. Step 6: Final answer
    x = 21,839,657.92

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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.