Home / 38,109,289.90-52,591,298.36-20,705,925.76

Finding the Fourth Proportional to 38,109,289.90, 52,591,298.36 and 20,705,925.76

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Solution

The fourth proportional to 38,109,289.90, 52,591,298.36 and 20,705,925.76 is: 28,574,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109,289.90 : 52,591,298.36 = 20,705,925.76 : x
  2. Step 2: Convert to fraction form
    38,109,289.90/52,591,298.36 = 20,705,925.76/x
  3. Step 3: Cross multiply
    38,109,289.90x = 52,591,298.36 × 20,705,925.76
  4. Step 4: Simplify right side
    38,109,289.90x = 1,088,951,519,464,169.88
  5. Step 5: Solve for x
    x = 1,088,951,519,464,169.88/38,109,289.90
  6. Step 6: Final answer
    x = 28,574,437.42

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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.