Home / 11,687,643.80-17,531,465.70-6,585,810.20

Finding the Fourth Proportional to 11,687,643.80, 17,531,465.70 and 6,585,810.20

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Solution

The fourth proportional to 11,687,643.80, 17,531,465.70 and 6,585,810.20 is: 9,878,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,643.80 : 17,531,465.70 = 6,585,810.20 : x
  2. Step 2: Convert to fraction form
    11,687,643.80/17,531,465.70 = 6,585,810.20/x
  3. Step 3: Cross multiply
    11,687,643.80x = 17,531,465.70 × 6,585,810.20
  4. Step 4: Simplify right side
    11,687,643.80x = 115,458,905,628,010.14
  5. Step 5: Solve for x
    x = 115,458,905,628,010.14/11,687,643.80
  6. Step 6: Final answer
    x = 9,878,715.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.