Home / 7,818,372.81-10,789,347.24-4,380,638.43

Finding the Fourth Proportional to 7,818,372.81, 10,789,347.24 and 4,380,638.43

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Solution

The fourth proportional to 7,818,372.81, 10,789,347.24 and 4,380,638.43 is: 6,045,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,372.81 : 10,789,347.24 = 4,380,638.43 : x
  2. Step 2: Convert to fraction form
    7,818,372.81/10,789,347.24 = 4,380,638.43/x
  3. Step 3: Cross multiply
    7,818,372.81x = 10,789,347.24 × 4,380,638.43
  4. Step 4: Simplify right side
    7,818,372.81x = 47,264,229,154,158.43
  5. Step 5: Solve for x
    x = 47,264,229,154,158.43/7,818,372.81
  6. Step 6: Final answer
    x = 6,045,276.98

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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.