Home / 13,303,532.40-19,955,298.60-8,238,418.80

Finding the Fourth Proportional to 13,303,532.40, 19,955,298.60 and 8,238,418.80

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Solution

The fourth proportional to 13,303,532.40, 19,955,298.60 and 8,238,418.80 is: 12,357,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,532.40 : 19,955,298.60 = 8,238,418.80 : x
  2. Step 2: Convert to fraction form
    13,303,532.40/19,955,298.60 = 8,238,418.80/x
  3. Step 3: Cross multiply
    13,303,532.40x = 19,955,298.60 × 8,238,418.80
  4. Step 4: Simplify right side
    13,303,532.40x = 164,400,107,145,853.69
  5. Step 5: Solve for x
    x = 164,400,107,145,853.69/13,303,532.40
  6. Step 6: Final answer
    x = 12,357,628.20

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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.