Home / 20,731,594.42-28,609,405.02-11,439,248.50

Finding the Fourth Proportional to 20,731,594.42, 28,609,405.02 and 11,439,248.50

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Solution

The fourth proportional to 20,731,594.42, 28,609,405.02 and 11,439,248.50 is: 15,786,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731,594.42 : 28,609,405.02 = 11,439,248.50 : x
  2. Step 2: Convert to fraction form
    20,731,594.42/28,609,405.02 = 11,439,248.50/x
  3. Step 3: Cross multiply
    20,731,594.42x = 28,609,405.02 × 11,439,248.50
  4. Step 4: Simplify right side
    20,731,594.42x = 327,270,093,460,927.44
  5. Step 5: Solve for x
    x = 327,270,093,460,927.44/20,731,594.42
  6. Step 6: Final answer
    x = 15,786,055.18

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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.