Home / 14,021,693.60-21,032,540.40-7,219,248.80

Finding the Fourth Proportional to 14,021,693.60, 21,032,540.40 and 7,219,248.80

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Solution

The fourth proportional to 14,021,693.60, 21,032,540.40 and 7,219,248.80 is: 10,828,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,693.60 : 21,032,540.40 = 7,219,248.80 : x
  2. Step 2: Convert to fraction form
    14,021,693.60/21,032,540.40 = 7,219,248.80/x
  3. Step 3: Cross multiply
    14,021,693.60x = 21,032,540.40 × 7,219,248.80
  4. Step 4: Simplify right side
    14,021,693.60x = 151,839,142,043,651.50
  5. Step 5: Solve for x
    x = 151,839,142,043,651.50/14,021,693.60
  6. Step 6: Final answer
    x = 10,828,873.20

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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.