Home / 9,871,176.40-14,807,815.80-3,138,015.76

Finding the Fourth Proportional to 9,871,176.40, 14,807,815.80 and 3,138,015.76

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Solution

The fourth proportional to 9,871,176.40, 14,807,815.80 and 3,138,015.76 is: 4,707,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,176.40 : 14,807,815.80 = 3,138,015.76 : x
  2. Step 2: Convert to fraction form
    9,871,176.40/14,807,815.80 = 3,138,015.76/x
  3. Step 3: Cross multiply
    9,871,176.40x = 14,807,815.80 × 3,138,015.76
  4. Step 4: Simplify right side
    9,871,176.40x = 46,467,159,351,577.01
  5. Step 5: Solve for x
    x = 46,467,159,351,577.01/9,871,176.40
  6. Step 6: Final answer
    x = 4,707,357.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.