Home / 12,936,531.20-19,397,798.40-5,364,262.40

Finding the Fourth Proportional to 12,936,531.20, 19,397,798.40 and 5,364,262.40

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Solution

The fourth proportional to 12,936,531.20, 19,397,798.40 and 5,364,262.40 is: 8,043,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,531.20 : 19,397,798.40 = 5,364,262.40 : x
  2. Step 2: Convert to fraction form
    12,936,531.20/19,397,798.40 = 5,364,262.40/x
  3. Step 3: Cross multiply
    12,936,531.20x = 19,397,798.40 × 5,364,262.40
  4. Step 4: Simplify right side
    12,936,531.20x = 104,054,880,599,900.16
  5. Step 5: Solve for x
    x = 104,054,880,599,900.16/12,936,531.20
  6. Step 6: Final answer
    x = 8,043,491.64

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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.