Home / 9,075,060.72-12,522,812.90-5,207,498.70

Finding the Fourth Proportional to 9,075,060.72, 12,522,812.90 and 5,207,498.70

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Solution

The fourth proportional to 9,075,060.72, 12,522,812.90 and 5,207,498.70 is: 7,185,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075,060.72 : 12,522,812.90 = 5,207,498.70 : x
  2. Step 2: Convert to fraction form
    9,075,060.72/12,522,812.90 = 5,207,498.70/x
  3. Step 3: Cross multiply
    9,075,060.72x = 12,522,812.90 × 5,207,498.70
  4. Step 4: Simplify right side
    9,075,060.72x = 65,212,531,897,093.23
  5. Step 5: Solve for x
    x = 65,212,531,897,093.23/9,075,060.72
  6. Step 6: Final answer
    x = 7,185,905.85

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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.