Home / 40,711,237.80-61,066,856.70-13,784,893.80

Finding the Fourth Proportional to 40,711,237.80, 61,066,856.70 and 13,784,893.80

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Solution

The fourth proportional to 40,711,237.80, 61,066,856.70 and 13,784,893.80 is: 20,677,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711,237.80 : 61,066,856.70 = 13,784,893.80 : x
  2. Step 2: Convert to fraction form
    40,711,237.80/61,066,856.70 = 13,784,893.80/x
  3. Step 3: Cross multiply
    40,711,237.80x = 61,066,856.70 × 13,784,893.80
  4. Step 4: Simplify right side
    40,711,237.80x = 841,800,134,309,318.50
  5. Step 5: Solve for x
    x = 841,800,134,309,318.50/40,711,237.80
  6. Step 6: Final answer
    x = 20,677,340.70

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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.