Home / 13,791,561.87-19,032,355.16-7,993,706.55

Finding the Fourth Proportional to 13,791,561.87, 19,032,355.16 and 7,993,706.55

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Solution

The fourth proportional to 13,791,561.87, 19,032,355.16 and 7,993,706.55 is: 11,031,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,561.87 : 19,032,355.16 = 7,993,706.55 : x
  2. Step 2: Convert to fraction form
    13,791,561.87/19,032,355.16 = 7,993,706.55/x
  3. Step 3: Cross multiply
    13,791,561.87x = 19,032,355.16 × 7,993,706.55
  4. Step 4: Simplify right side
    13,791,561.87x = 152,139,062,064,449.78
  5. Step 5: Solve for x
    x = 152,139,062,064,449.78/13,791,561.87
  6. Step 6: Final answer
    x = 11,031,314.91

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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.