Home / 14,593,354.21-20,138,200.90-7,977,816.78

Finding the Fourth Proportional to 14,593,354.21, 20,138,200.90 and 7,977,816.78

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Solution

The fourth proportional to 14,593,354.21, 20,138,200.90 and 7,977,816.78 is: 11,009,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593,354.21 : 20,138,200.90 = 7,977,816.78 : x
  2. Step 2: Convert to fraction form
    14,593,354.21/20,138,200.90 = 7,977,816.78/x
  3. Step 3: Cross multiply
    14,593,354.21x = 20,138,200.90 × 7,977,816.78
  4. Step 4: Simplify right side
    14,593,354.21x = 160,658,877,059,031.09
  5. Step 5: Solve for x
    x = 160,658,877,059,031.09/14,593,354.21
  6. Step 6: Final answer
    x = 11,009,043.89

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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.