Home / 9,980,522.55-13,773,320.87-5,628,757.05

Finding the Fourth Proportional to 9,980,522.55, 13,773,320.87 and 5,628,757.05

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Solution

The fourth proportional to 9,980,522.55, 13,773,320.87 and 5,628,757.05 is: 7,767,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,522.55 : 13,773,320.87 = 5,628,757.05 : x
  2. Step 2: Convert to fraction form
    9,980,522.55/13,773,320.87 = 5,628,757.05/x
  3. Step 3: Cross multiply
    9,980,522.55x = 13,773,320.87 × 5,628,757.05
  4. Step 4: Simplify right side
    9,980,522.55x = 77,526,676,920,780.84
  5. Step 5: Solve for x
    x = 77,526,676,920,780.84/9,980,522.55
  6. Step 6: Final answer
    x = 7,767,797.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.