Home / 7,780,327.40-11,662,617.90-4,583,808.20

Finding the Fourth Proportional to 7,780,327.40, 11,662,617.90 and 4,583,808.20

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Solution

The fourth proportional to 7,780,327.40, 11,662,617.90 and 4,583,808.20 is: 6,871,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,327.40 : 11,662,617.90 = 4,583,808.20 : x
  2. Step 2: Convert to fraction form
    7,780,327.40/11,662,617.90 = 4,583,808.20/x
  3. Step 3: Cross multiply
    7,780,327.40x = 11,662,617.90 × 4,583,808.20
  4. Step 4: Simplify right side
    7,780,327.40x = 53,459,203,563,486.78
  5. Step 5: Solve for x
    x = 53,459,203,563,486.78/7,780,327.40
  6. Step 6: Final answer
    x = 6,871,073.78

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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.