Home / 14,404,380.08-19,877,765.18-7,877,989.35

Finding the Fourth Proportional to 14,404,380.08, 19,877,765.18 and 7,877,989.35

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Solution

The fourth proportional to 14,404,380.08, 19,877,765.18 and 7,877,989.35 is: 10,871,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404,380.08 : 19,877,765.18 = 7,877,989.35 : x
  2. Step 2: Convert to fraction form
    14,404,380.08/19,877,765.18 = 7,877,989.35/x
  3. Step 3: Cross multiply
    14,404,380.08x = 19,877,765.18 × 7,877,989.35
  4. Step 4: Simplify right side
    14,404,380.08x = 156,596,822,350,450.88
  5. Step 5: Solve for x
    x = 156,596,822,350,450.88/14,404,380.08
  6. Step 6: Final answer
    x = 10,871,472.53

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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.