Home / 7,209,609.84-10,806,938.87-4,507,731.72

Finding the Fourth Proportional to 7,209,609.84, 10,806,938.87 and 4,507,731.72

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Solution

The fourth proportional to 7,209,609.84, 10,806,938.87 and 4,507,731.72 is: 6,756,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,609.84 : 10,806,938.87 = 4,507,731.72 : x
  2. Step 2: Convert to fraction form
    7,209,609.84/10,806,938.87 = 4,507,731.72/x
  3. Step 3: Cross multiply
    7,209,609.84x = 10,806,938.87 × 4,507,731.72
  4. Step 4: Simplify right side
    7,209,609.84x = 48,714,781,117,861.30
  5. Step 5: Solve for x
    x = 48,714,781,117,861.30/7,209,609.84
  6. Step 6: Final answer
    x = 6,756,923.36

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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.