Home / 8,072,720.60-12,095,378.10-4,871,119.40

Finding the Fourth Proportional to 8,072,720.60, 12,095,378.10 and 4,871,119.40

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Solution

The fourth proportional to 8,072,720.60, 12,095,378.10 and 4,871,119.40 is: 7,298,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,720.60 : 12,095,378.10 = 4,871,119.40 : x
  2. Step 2: Convert to fraction form
    8,072,720.60/12,095,378.10 = 4,871,119.40/x
  3. Step 3: Cross multiply
    8,072,720.60x = 12,095,378.10 × 4,871,119.40
  4. Step 4: Simplify right side
    8,072,720.60x = 58,918,030,913,245.14
  5. Step 5: Solve for x
    x = 58,918,030,913,245.14/8,072,720.60
  6. Step 6: Final answer
    x = 7,298,410.76

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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.