Home / 13,168,902.60-19,795,344.30-12,413,075.40

Finding the Fourth Proportional to 13,168,902.60, 19,795,344.30 and 12,413,075.40

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Solution

The fourth proportional to 13,168,902.60, 19,795,344.30 and 12,413,075.40 is: 18,659,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,902.60 : 19,795,344.30 = 12,413,075.40 : x
  2. Step 2: Convert to fraction form
    13,168,902.60/19,795,344.30 = 12,413,075.40/x
  3. Step 3: Cross multiply
    13,168,902.60x = 19,795,344.30 × 12,413,075.40
  4. Step 4: Simplify right side
    13,168,902.60x = 245,721,101,364,860.25
  5. Step 5: Solve for x
    x = 245,721,101,364,860.25/13,168,902.60
  6. Step 6: Final answer
    x = 18,659,193.47

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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.