Home / 21,235,528.80-31,833,114.48-13,537,567.44

Finding the Fourth Proportional to 21,235,528.80, 31,833,114.48 and 13,537,567.44

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Solution

The fourth proportional to 21,235,528.80, 31,833,114.48 and 13,537,567.44 is: 20,293,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,235,528.80 : 31,833,114.48 = 13,537,567.44 : x
  2. Step 2: Convert to fraction form
    21,235,528.80/31,833,114.48 = 13,537,567.44/x
  3. Step 3: Cross multiply
    21,235,528.80x = 31,833,114.48 × 13,537,567.44
  4. Step 4: Simplify right side
    21,235,528.80x = 430,942,934,098,240.50
  5. Step 5: Solve for x
    x = 430,942,934,098,240.50/21,235,528.80
  6. Step 6: Final answer
    x = 20,293,487.30

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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.