Home / 14,624,390.80-20,181,628.46-8,429,395.68

Finding the Fourth Proportional to 14,624,390.80, 20,181,628.46 and 8,429,395.68

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Solution

The fourth proportional to 14,624,390.80, 20,181,628.46 and 8,429,395.68 is: 11,632,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624,390.80 : 20,181,628.46 = 8,429,395.68 : x
  2. Step 2: Convert to fraction form
    14,624,390.80/20,181,628.46 = 8,429,395.68/x
  3. Step 3: Cross multiply
    14,624,390.80x = 20,181,628.46 × 8,429,395.68
  4. Step 4: Simplify right side
    14,624,390.80x = 170,118,931,777,162.53
  5. Step 5: Solve for x
    x = 170,118,931,777,162.53/14,624,390.80
  6. Step 6: Final answer
    x = 11,632,548.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.