Home / 12,243,678.85-18,365,518.28-3,724,001.65

Finding the Fourth Proportional to 12,243,678.85, 18,365,518.28 and 3,724,001.65

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Solution

The fourth proportional to 12,243,678.85, 18,365,518.28 and 3,724,001.65 is: 5,586,002.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243,678.85 : 18,365,518.28 = 3,724,001.65 : x
  2. Step 2: Convert to fraction form
    12,243,678.85/18,365,518.28 = 3,724,001.65/x
  3. Step 3: Cross multiply
    12,243,678.85x = 18,365,518.28 × 3,724,001.65
  4. Step 4: Simplify right side
    12,243,678.85x = 68,393,220,359,205.15
  5. Step 5: Solve for x
    x = 68,393,220,359,205.15/12,243,678.85
  6. Step 6: Final answer
    x = 5,586,002.48

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Double scale
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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.