Home / 13,877,688.66-20,732,190.96-8,980,096.47

Finding the Fourth Proportional to 13,877,688.66, 20,732,190.96 and 8,980,096.47

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Solution

The fourth proportional to 13,877,688.66, 20,732,190.96 and 8,980,096.47 is: 13,415,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877,688.66 : 20,732,190.96 = 8,980,096.47 : x
  2. Step 2: Convert to fraction form
    13,877,688.66/20,732,190.96 = 8,980,096.47/x
  3. Step 3: Cross multiply
    13,877,688.66x = 20,732,190.96 × 8,980,096.47
  4. Step 4: Simplify right side
    13,877,688.66x = 186,177,074,855,261.94
  5. Step 5: Solve for x
    x = 186,177,074,855,261.94/13,877,688.66
  6. Step 6: Final answer
    x = 13,415,567.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.