Home / 13,365,795.42-20,057,127.21-5,689,428.66

Finding the Fourth Proportional to 13,365,795.42, 20,057,127.21 and 5,689,428.66

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Solution

The fourth proportional to 13,365,795.42, 20,057,127.21 and 5,689,428.66 is: 8,537,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,795.42 : 20,057,127.21 = 5,689,428.66 : x
  2. Step 2: Convert to fraction form
    13,365,795.42/20,057,127.21 = 5,689,428.66/x
  3. Step 3: Cross multiply
    13,365,795.42x = 20,057,127.21 × 5,689,428.66
  4. Step 4: Simplify right side
    13,365,795.42x = 114,113,594,385,839.84
  5. Step 5: Solve for x
    x = 114,113,594,385,839.84/13,365,795.42
  6. Step 6: Final answer
    x = 8,537,733.13

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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.