Home / 11,142,637.64-15,362,700.96-7,963,858.85

Finding the Fourth Proportional to 11,142,637.64, 15,362,700.96 and 7,963,858.85

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Solution

The fourth proportional to 11,142,637.64, 15,362,700.96 and 7,963,858.85 is: 10,980,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,637.64 : 15,362,700.96 = 7,963,858.85 : x
  2. Step 2: Convert to fraction form
    11,142,637.64/15,362,700.96 = 7,963,858.85/x
  3. Step 3: Cross multiply
    11,142,637.64x = 15,362,700.96 × 7,963,858.85
  4. Step 4: Simplify right side
    11,142,637.64x = 122,346,382,000,199.50
  5. Step 5: Solve for x
    x = 122,346,382,000,199.50/11,142,637.64
  6. Step 6: Final answer
    x = 10,980,019.81

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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.