Home / 7,287,278.40-10,921,586.40-5,595,998.40

Finding the Fourth Proportional to 7,287,278.40, 10,921,586.40 and 5,595,998.40

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Solution

The fourth proportional to 7,287,278.40, 10,921,586.40 and 5,595,998.40 is: 8,386,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,278.40 : 10,921,586.40 = 5,595,998.40 : x
  2. Step 2: Convert to fraction form
    7,287,278.40/10,921,586.40 = 5,595,998.40/x
  3. Step 3: Cross multiply
    7,287,278.40x = 10,921,586.40 × 5,595,998.40
  4. Step 4: Simplify right side
    7,287,278.40x = 61,117,180,019,861.77
  5. Step 5: Solve for x
    x = 61,117,180,019,861.77/7,287,278.40
  6. Step 6: Final answer
    x = 8,386,832.05

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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.