Home / 13,098,011-18,076,477.74-7,665,507.32

Finding the Fourth Proportional to 13,098,011, 18,076,477.74 and 7,665,507.32

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Solution

The fourth proportional to 13,098,011, 18,076,477.74 and 7,665,507.32 is: 10,579,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098,011 : 18,076,477.74 = 7,665,507.32 : x
  2. Step 2: Convert to fraction form
    13,098,011/18,076,477.74 = 7,665,507.32/x
  3. Step 3: Cross multiply
    13,098,011x = 18,076,477.74 × 7,665,507.32
  4. Step 4: Simplify right side
    13,098,011x = 138,565,372,435,787.05
  5. Step 5: Solve for x
    x = 138,565,372,435,787.05/13,098,011
  6. Step 6: Final answer
    x = 10,579,115.60

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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.