Home / 18,692,207.70-28,017,316.35-7,907,673.30

Finding the Fourth Proportional to 18,692,207.70, 28,017,316.35 and 7,907,673.30

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Solution

The fourth proportional to 18,692,207.70, 28,017,316.35 and 7,907,673.30 is: 11,852,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692,207.70 : 28,017,316.35 = 7,907,673.30 : x
  2. Step 2: Convert to fraction form
    18,692,207.70/28,017,316.35 = 7,907,673.30/x
  3. Step 3: Cross multiply
    18,692,207.70x = 28,017,316.35 × 7,907,673.30
  4. Step 4: Simplify right side
    18,692,207.70x = 221,551,784,438,548.47
  5. Step 5: Solve for x
    x = 221,551,784,438,548.47/18,692,207.70
  6. Step 6: Final answer
    x = 11,852,628.00

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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.