Home / 13,484,619.18-18,613,834.80-8,838,703.50

Finding the Fourth Proportional to 13,484,619.18, 18,613,834.80 and 8,838,703.50

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Solution

The fourth proportional to 13,484,619.18, 18,613,834.80 and 8,838,703.50 is: 12,200,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,619.18 : 18,613,834.80 = 8,838,703.50 : x
  2. Step 2: Convert to fraction form
    13,484,619.18/18,613,834.80 = 8,838,703.50/x
  3. Step 3: Cross multiply
    13,484,619.18x = 18,613,834.80 × 8,838,703.50
  4. Step 4: Simplify right side
    13,484,619.18x = 164,522,166,795,181.81
  5. Step 5: Solve for x
    x = 164,522,166,795,181.81/13,484,619.18
  6. Step 6: Final answer
    x = 12,200,727.70

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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.