Home / 18,725,814.80-28,109,717.40-14,484,784.40

Finding the Fourth Proportional to 18,725,814.80, 28,109,717.40 and 14,484,784.40

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Solution

The fourth proportional to 18,725,814.80, 28,109,717.40 and 14,484,784.40 is: 21,743,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,814.80 : 28,109,717.40 = 14,484,784.40 : x
  2. Step 2: Convert to fraction form
    18,725,814.80/28,109,717.40 = 14,484,784.40/x
  3. Step 3: Cross multiply
    18,725,814.80x = 28,109,717.40 × 14,484,784.40
  4. Step 4: Simplify right side
    18,725,814.80x = 407,163,196,083,928.56
  5. Step 5: Solve for x
    x = 407,163,196,083,928.56/18,725,814.80
  6. Step 6: Final answer
    x = 21,743,416.80

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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.