Home / 12,225,731.72-16,871,889.44-6,719,006.51

Finding the Fourth Proportional to 12,225,731.72, 16,871,889.44 and 6,719,006.51

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Solution

The fourth proportional to 12,225,731.72, 16,871,889.44 and 6,719,006.51 is: 9,272,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,731.72 : 16,871,889.44 = 6,719,006.51 : x
  2. Step 2: Convert to fraction form
    12,225,731.72/16,871,889.44 = 6,719,006.51/x
  3. Step 3: Cross multiply
    12,225,731.72x = 16,871,889.44 × 6,719,006.51
  4. Step 4: Simplify right side
    12,225,731.72x = 113,362,334,983,360.27
  5. Step 5: Solve for x
    x = 113,362,334,983,360.27/12,225,731.72
  6. Step 6: Final answer
    x = 9,272,437.64

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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.