Home / 28,881,544.14-43,336,328.84-12,705,393.58

Finding the Fourth Proportional to 28,881,544.14, 43,336,328.84 and 12,705,393.58

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Solution

The fourth proportional to 28,881,544.14, 43,336,328.84 and 12,705,393.58 is: 19,064,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,544.14 : 43,336,328.84 = 12,705,393.58 : x
  2. Step 2: Convert to fraction form
    28,881,544.14/43,336,328.84 = 12,705,393.58/x
  3. Step 3: Cross multiply
    28,881,544.14x = 43,336,328.84 × 12,705,393.58
  4. Step 4: Simplify right side
    28,881,544.14x = 550,605,114,100,282.25
  5. Step 5: Solve for x
    x = 550,605,114,100,282.25/28,881,544.14
  6. Step 6: Final answer
    x = 19,064,254.72

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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.