Home / 19,819,295.46-29,713,980.33-12,997,586.70

Finding the Fourth Proportional to 19,819,295.46, 29,713,980.33 and 12,997,586.70

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Solution

The fourth proportional to 19,819,295.46, 29,713,980.33 and 12,997,586.70 is: 19,486,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819,295.46 : 29,713,980.33 = 12,997,586.70 : x
  2. Step 2: Convert to fraction form
    19,819,295.46/29,713,980.33 = 12,997,586.70/x
  3. Step 3: Cross multiply
    19,819,295.46x = 29,713,980.33 × 12,997,586.70
  4. Step 4: Simplify right side
    19,819,295.46x = 386,210,035,541,269.56
  5. Step 5: Solve for x
    x = 386,210,035,541,269.56/19,819,295.46
  6. Step 6: Final answer
    x = 19,486,567.34

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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.