Home / 9,429,230.80-14,106,521.40-8,180,923.60

Finding the Fourth Proportional to 9,429,230.80, 14,106,521.40 and 8,180,923.60

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Solution

The fourth proportional to 9,429,230.80, 14,106,521.40 and 8,180,923.60 is: 12,239,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429,230.80 : 14,106,521.40 = 8,180,923.60 : x
  2. Step 2: Convert to fraction form
    9,429,230.80/14,106,521.40 = 8,180,923.60/x
  3. Step 3: Cross multiply
    9,429,230.80x = 14,106,521.40 × 8,180,923.60
  4. Step 4: Simplify right side
    9,429,230.80x = 115,404,373,835,165.03
  5. Step 5: Solve for x
    x = 115,404,373,835,165.03/9,429,230.80
  6. Step 6: Final answer
    x = 12,239,001.92

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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.