Home / 9,239,801.80-13,843,956.30-7,885,611.40

Finding the Fourth Proportional to 9,239,801.80, 13,843,956.30 and 7,885,611.40

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Solution

The fourth proportional to 9,239,801.80, 13,843,956.30 and 7,885,611.40 is: 11,814,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239,801.80 : 13,843,956.30 = 7,885,611.40 : x
  2. Step 2: Convert to fraction form
    9,239,801.80/13,843,956.30 = 7,885,611.40/x
  3. Step 3: Cross multiply
    9,239,801.80x = 13,843,956.30 × 7,885,611.40
  4. Step 4: Simplify right side
    9,239,801.80x = 109,168,059,620,381.83
  5. Step 5: Solve for x
    x = 109,168,059,620,381.83/9,239,801.80
  6. Step 6: Final answer
    x = 11,814,978.50

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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.