Home / 9,409,003.04-12,983,643.60-5,278,469.28

Finding the Fourth Proportional to 9,409,003.04, 12,983,643.60 and 5,278,469.28

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Solution

The fourth proportional to 9,409,003.04, 12,983,643.60 and 5,278,469.28 is: 7,283,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409,003.04 : 12,983,643.60 = 5,278,469.28 : x
  2. Step 2: Convert to fraction form
    9,409,003.04/12,983,643.60 = 5,278,469.28/x
  3. Step 3: Cross multiply
    9,409,003.04x = 12,983,643.60 × 5,278,469.28
  4. Step 4: Simplify right side
    9,409,003.04x = 68,533,763,885,068.61
  5. Step 5: Solve for x
    x = 68,533,763,885,068.61/9,409,003.04
  6. Step 6: Final answer
    x = 7,283,849.69

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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.