Home / 14,487,671.20-21,731,506.80-9,385,837.60

Finding the Fourth Proportional to 14,487,671.20, 21,731,506.80 and 9,385,837.60

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Solution

The fourth proportional to 14,487,671.20, 21,731,506.80 and 9,385,837.60 is: 14,078,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,671.20 : 21,731,506.80 = 9,385,837.60 : x
  2. Step 2: Convert to fraction form
    14,487,671.20/21,731,506.80 = 9,385,837.60/x
  3. Step 3: Cross multiply
    14,487,671.20x = 21,731,506.80 × 9,385,837.60
  4. Step 4: Simplify right side
    14,487,671.20x = 203,968,393,628,095.69
  5. Step 5: Solve for x
    x = 203,968,393,628,095.69/14,487,671.20
  6. Step 6: Final answer
    x = 14,078,756.40

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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.