Home / 13,017,555.98-17,964,132.29-7,137,093.18

Finding the Fourth Proportional to 13,017,555.98, 17,964,132.29 and 7,137,093.18

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Solution

The fourth proportional to 13,017,555.98, 17,964,132.29 and 7,137,093.18 is: 9,849,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,555.98 : 17,964,132.29 = 7,137,093.18 : x
  2. Step 2: Convert to fraction form
    13,017,555.98/17,964,132.29 = 7,137,093.18/x
  3. Step 3: Cross multiply
    13,017,555.98x = 17,964,132.29 × 7,137,093.18
  4. Step 4: Simplify right side
    13,017,555.98x = 128,211,686,002,054.02
  5. Step 5: Solve for x
    x = 128,211,686,002,054.02/13,017,555.98
  6. Step 6: Final answer
    x = 9,849,136.52

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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.