Home / 13,140,470.70-19,702,152.45-11,796,777.90

Finding the Fourth Proportional to 13,140,470.70, 19,702,152.45 and 11,796,777.90

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Solution

The fourth proportional to 13,140,470.70, 19,702,152.45 and 11,796,777.90 is: 17,687,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,470.70 : 19,702,152.45 = 11,796,777.90 : x
  2. Step 2: Convert to fraction form
    13,140,470.70/19,702,152.45 = 11,796,777.90/x
  3. Step 3: Cross multiply
    13,140,470.70x = 19,702,152.45 × 11,796,777.90
  4. Step 4: Simplify right side
    13,140,470.70x = 232,421,916,604,590.84
  5. Step 5: Solve for x
    x = 232,421,916,604,590.84/13,140,470.70
  6. Step 6: Final answer
    x = 17,687,487.91

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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.