Home / 9,260,994.09-12,780,005.84-5,130,942.15

Finding the Fourth Proportional to 9,260,994.09, 12,780,005.84 and 5,130,942.15

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Solution

The fourth proportional to 9,260,994.09, 12,780,005.84 and 5,130,942.15 is: 7,080,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260,994.09 : 12,780,005.84 = 5,130,942.15 : x
  2. Step 2: Convert to fraction form
    9,260,994.09/12,780,005.84 = 5,130,942.15/x
  3. Step 3: Cross multiply
    9,260,994.09x = 12,780,005.84 × 5,130,942.15
  4. Step 4: Simplify right side
    9,260,994.09x = 65,573,470,641,702.16
  5. Step 5: Solve for x
    x = 65,573,470,641,702.16/9,260,994.09
  6. Step 6: Final answer
    x = 7,080,608.19

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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.