Home / 13,122,011.70-19,683,017.55-9,077,373.90

Finding the Fourth Proportional to 13,122,011.70, 19,683,017.55 and 9,077,373.90

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Solution

The fourth proportional to 13,122,011.70, 19,683,017.55 and 9,077,373.90 is: 13,616,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,011.70 : 19,683,017.55 = 9,077,373.90 : x
  2. Step 2: Convert to fraction form
    13,122,011.70/19,683,017.55 = 9,077,373.90/x
  3. Step 3: Cross multiply
    13,122,011.70x = 19,683,017.55 × 9,077,373.90
  4. Step 4: Simplify right side
    13,122,011.70x = 178,670,109,781,611.97
  5. Step 5: Solve for x
    x = 178,670,109,781,611.97/13,122,011.70
  6. Step 6: Final answer
    x = 13,616,060.85

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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.