Home / 13,564,903.90-20,370,975.45-7,187,611.90

Finding the Fourth Proportional to 13,564,903.90, 20,370,975.45 and 7,187,611.90

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Solution

The fourth proportional to 13,564,903.90, 20,370,975.45 and 7,187,611.90 is: 10,793,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,903.90 : 20,370,975.45 = 7,187,611.90 : x
  2. Step 2: Convert to fraction form
    13,564,903.90/20,370,975.45 = 7,187,611.90/x
  3. Step 3: Cross multiply
    13,564,903.90x = 20,370,975.45 × 7,187,611.90
  4. Step 4: Simplify right side
    13,564,903.90x = 146,418,665,559,027.84
  5. Step 5: Solve for x
    x = 146,418,665,559,027.84/13,564,903.90
  6. Step 6: Final answer
    x = 10,793,933.13

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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.