Home / 9,600,985.80-14,401,478.70-8,871,078.60

Finding the Fourth Proportional to 9,600,985.80, 14,401,478.70 and 8,871,078.60

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Solution

The fourth proportional to 9,600,985.80, 14,401,478.70 and 8,871,078.60 is: 13,306,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,600,985.80 : 14,401,478.70 = 8,871,078.60 : x
  2. Step 2: Convert to fraction form
    9,600,985.80/14,401,478.70 = 8,871,078.60/x
  3. Step 3: Cross multiply
    9,600,985.80x = 14,401,478.70 × 8,871,078.60
  4. Step 4: Simplify right side
    9,600,985.80x = 127,756,649,503,925.81
  5. Step 5: Solve for x
    x = 127,756,649,503,925.81/9,600,985.80
  6. Step 6: Final answer
    x = 13,306,617.90

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Similar ratio
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1.5x scale

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.