Home / 14,478,869.80-21,718,304.70-9,628,978.60

Finding the Fourth Proportional to 14,478,869.80, 21,718,304.70 and 9,628,978.60

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Solution

The fourth proportional to 14,478,869.80, 21,718,304.70 and 9,628,978.60 is: 14,443,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478,869.80 : 21,718,304.70 = 9,628,978.60 : x
  2. Step 2: Convert to fraction form
    14,478,869.80/21,718,304.70 = 9,628,978.60/x
  3. Step 3: Cross multiply
    14,478,869.80x = 21,718,304.70 × 9,628,978.60
  4. Step 4: Simplify right side
    14,478,869.80x = 209,125,091,184,579.41
  5. Step 5: Solve for x
    x = 209,125,091,184,579.41/14,478,869.80
  6. Step 6: Final answer
    x = 14,443,467.90

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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.