Home / 12,303,323.40-18,454,985.10-5,912,034.60

Finding the Fourth Proportional to 12,303,323.40, 18,454,985.10 and 5,912,034.60

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Solution

The fourth proportional to 12,303,323.40, 18,454,985.10 and 5,912,034.60 is: 8,868,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,323.40 : 18,454,985.10 = 5,912,034.60 : x
  2. Step 2: Convert to fraction form
    12,303,323.40/18,454,985.10 = 5,912,034.60/x
  3. Step 3: Cross multiply
    12,303,323.40x = 18,454,985.10 × 5,912,034.60
  4. Step 4: Simplify right side
    12,303,323.40x = 109,106,510,453,684.47
  5. Step 5: Solve for x
    x = 109,106,510,453,684.47/12,303,323.40
  6. Step 6: Final answer
    x = 8,868,051.90

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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.