Home / 7,818,372.31-10,789,346.55-4,380,637.93

Finding the Fourth Proportional to 7,818,372.31, 10,789,346.55 and 4,380,637.93

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Solution

The fourth proportional to 7,818,372.31, 10,789,346.55 and 4,380,637.93 is: 6,045,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,372.31 : 10,789,346.55 = 4,380,637.93 : x
  2. Step 2: Convert to fraction form
    7,818,372.31/10,789,346.55 = 4,380,637.93/x
  3. Step 3: Cross multiply
    7,818,372.31x = 10,789,346.55 × 4,380,637.93
  4. Step 4: Simplify right side
    7,818,372.31x = 47,264,220,736,844.64
  5. Step 5: Solve for x
    x = 47,264,220,736,844.64/7,818,372.31
  6. Step 6: Final answer
    x = 6,045,276.29

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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.