Home / 47,986,965.56-66,223,890.02-28,137,972.26

Finding the Fourth Proportional to 47,986,965.56, 66,223,890.02 and 28,137,972.26

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Solution

The fourth proportional to 47,986,965.56, 66,223,890.02 and 28,137,972.26 is: 38,831,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986,965.56 : 66,223,890.02 = 28,137,972.26 : x
  2. Step 2: Convert to fraction form
    47,986,965.56/66,223,890.02 = 28,137,972.26/x
  3. Step 3: Cross multiply
    47,986,965.56x = 66,223,890.02 × 28,137,972.26
  4. Step 4: Simplify right side
    47,986,965.56x = 1,863,405,980,567,955.50
  5. Step 5: Solve for x
    x = 1,863,405,980,567,955.50/47,986,965.56
  6. Step 6: Final answer
    x = 38,831,502.65

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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.