Home / 12,484,019.70-18,726,029.55-9,649,667.70

Finding the Fourth Proportional to 12,484,019.70, 18,726,029.55 and 9,649,667.70

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Solution

The fourth proportional to 12,484,019.70, 18,726,029.55 and 9,649,667.70 is: 14,474,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,019.70 : 18,726,029.55 = 9,649,667.70 : x
  2. Step 2: Convert to fraction form
    12,484,019.70/18,726,029.55 = 9,649,667.70/x
  3. Step 3: Cross multiply
    12,484,019.70x = 18,726,029.55 × 9,649,667.70
  4. Step 4: Simplify right side
    12,484,019.70x = 180,699,962,497,880.53
  5. Step 5: Solve for x
    x = 180,699,962,497,880.53/12,484,019.70
  6. Step 6: Final answer
    x = 14,474,501.55

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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.