Home / 9,871,985.40-14,809,014.90-3,138,833.40

Finding the Fourth Proportional to 9,871,985.40, 14,809,014.90 and 3,138,833.40

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Solution

The fourth proportional to 9,871,985.40, 14,809,014.90 and 3,138,833.40 is: 4,708,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,985.40 : 14,809,014.90 = 3,138,833.40 : x
  2. Step 2: Convert to fraction form
    9,871,985.40/14,809,014.90 = 3,138,833.40/x
  3. Step 3: Cross multiply
    9,871,985.40x = 14,809,014.90 × 3,138,833.40
  4. Step 4: Simplify right side
    9,871,985.40x = 46,483,030,589,217.66
  5. Step 5: Solve for x
    x = 46,483,030,589,217.66/9,871,985.40
  6. Step 6: Final answer
    x = 4,708,579.75

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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.