Home / 9,238,968.80-13,842,706.80-7,884,778.40

Finding the Fourth Proportional to 9,238,968.80, 13,842,706.80 and 7,884,778.40

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Solution

The fourth proportional to 9,238,968.80, 13,842,706.80 and 7,884,778.40 is: 11,813,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238,968.80 : 13,842,706.80 = 7,884,778.40 : x
  2. Step 2: Convert to fraction form
    9,238,968.80/13,842,706.80 = 7,884,778.40/x
  3. Step 3: Cross multiply
    9,238,968.80x = 13,842,706.80 × 7,884,778.40
  4. Step 4: Simplify right side
    9,238,968.80x = 109,146,675,574,173.12
  5. Step 5: Solve for x
    x = 109,146,675,574,173.12/9,238,968.80
  6. Step 6: Final answer
    x = 11,813,729.21

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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.