Home / 7,765,974.12-10,717,802.65-5,802,445.43

Finding the Fourth Proportional to 7,765,974.12, 10,717,802.65 and 5,802,445.43

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Solution

The fourth proportional to 7,765,974.12, 10,717,802.65 and 5,802,445.43 is: 8,007,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765,974.12 : 10,717,802.65 = 5,802,445.43 : x
  2. Step 2: Convert to fraction form
    7,765,974.12/10,717,802.65 = 5,802,445.43/x
  3. Step 3: Cross multiply
    7,765,974.12x = 10,717,802.65 × 5,802,445.43
  4. Step 4: Simplify right side
    7,765,974.12x = 62,189,464,999,990.19
  5. Step 5: Solve for x
    x = 62,189,464,999,990.19/7,765,974.12
  6. Step 6: Final answer
    x = 8,007,941.31

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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.