Home / 12,225,730.72-16,871,888.06-6,719,005.51

Finding the Fourth Proportional to 12,225,730.72, 16,871,888.06 and 6,719,005.51

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Solution

The fourth proportional to 12,225,730.72, 16,871,888.06 and 6,719,005.51 is: 9,272,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,730.72 : 16,871,888.06 = 6,719,005.51 : x
  2. Step 2: Convert to fraction form
    12,225,730.72/16,871,888.06 = 6,719,005.51/x
  3. Step 3: Cross multiply
    12,225,730.72x = 16,871,888.06 × 6,719,005.51
  4. Step 4: Simplify right side
    12,225,730.72x = 113,362,308,813,861.02
  5. Step 5: Solve for x
    x = 113,362,308,813,861.02/12,225,730.72
  6. Step 6: Final answer
    x = 9,272,436.26

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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.