Home / 13,122,011.70-19,683,017.55-6,732,909.90

Finding the Fourth Proportional to 13,122,011.70, 19,683,017.55 and 6,732,909.90

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Solution

The fourth proportional to 13,122,011.70, 19,683,017.55 and 6,732,909.90 is: 10,099,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,011.70 : 19,683,017.55 = 6,732,909.90 : x
  2. Step 2: Convert to fraction form
    13,122,011.70/19,683,017.55 = 6,732,909.90/x
  3. Step 3: Cross multiply
    13,122,011.70x = 19,683,017.55 × 6,732,909.90
  4. Step 4: Simplify right side
    13,122,011.70x = 132,523,983,724,268.75
  5. Step 5: Solve for x
    x = 132,523,983,724,268.75/13,122,011.70
  6. Step 6: Final answer
    x = 10,099,364.85

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Similar ratio
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1.5x scale

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.