Home / 20,908,594.05-31,355,817.35-7,951,666.38

Finding the Fourth Proportional to 20,908,594.05, 31,355,817.35 and 7,951,666.38

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Solution

The fourth proportional to 20,908,594.05, 31,355,817.35 and 7,951,666.38 is: 11,924,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,908,594.05 : 31,355,817.35 = 7,951,666.38 : x
  2. Step 2: Convert to fraction form
    20,908,594.05/31,355,817.35 = 7,951,666.38/x
  3. Step 3: Cross multiply
    20,908,594.05x = 31,355,817.35 × 7,951,666.38
  4. Step 4: Simplify right side
    20,908,594.05x = 249,330,998,599,657.34
  5. Step 5: Solve for x
    x = 249,330,998,599,657.34/20,908,594.05
  6. Step 6: Final answer
    x = 11,924,809.39

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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.