Home / 20,597,351.60-28,425,676.50-11,429,994.32

Finding the Fourth Proportional to 20,597,351.60, 28,425,676.50 and 11,429,994.32

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Solution

The fourth proportional to 20,597,351.60, 28,425,676.50 and 11,429,994.32 is: 15,774,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597,351.60 : 28,425,676.50 = 11,429,994.32 : x
  2. Step 2: Convert to fraction form
    20,597,351.60/28,425,676.50 = 11,429,994.32/x
  3. Step 3: Cross multiply
    20,597,351.60x = 28,425,676.50 × 11,429,994.32
  4. Step 4: Simplify right side
    20,597,351.60x = 324,905,320,937,157.50
  5. Step 5: Solve for x
    x = 324,905,320,937,157.50/20,597,351.60
  6. Step 6: Final answer
    x = 15,774,130.93

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1.5x scale

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.