Home / 8,683,434.12-11,983,875-4,817,200.80

Finding the Fourth Proportional to 8,683,434.12, 11,983,875 and 4,817,200.80

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Solution

The fourth proportional to 8,683,434.12, 11,983,875 and 4,817,200.80 is: 6,648,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683,434.12 : 11,983,875 = 4,817,200.80 : x
  2. Step 2: Convert to fraction form
    8,683,434.12/11,983,875 = 4,817,200.80/x
  3. Step 3: Cross multiply
    8,683,434.12x = 11,983,875 × 4,817,200.80
  4. Step 4: Simplify right side
    8,683,434.12x = 57,728,732,237,100
  5. Step 5: Solve for x
    x = 57,728,732,237,100/8,683,434.12
  6. Step 6: Final answer
    x = 6,648,145.36

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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.