Home / 14,421,628.80-21,632,443.20-12,784,003.20

Finding the Fourth Proportional to 14,421,628.80, 21,632,443.20 and 12,784,003.20

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Solution

The fourth proportional to 14,421,628.80, 21,632,443.20 and 12,784,003.20 is: 19,176,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,628.80 : 21,632,443.20 = 12,784,003.20 : x
  2. Step 2: Convert to fraction form
    14,421,628.80/21,632,443.20 = 12,784,003.20/x
  3. Step 3: Cross multiply
    14,421,628.80x = 21,632,443.20 × 12,784,003.20
  4. Step 4: Simplify right side
    14,421,628.80x = 276,549,223,092,618.22
  5. Step 5: Solve for x
    x = 276,549,223,092,618.22/14,421,628.80
  6. Step 6: Final answer
    x = 19,176,004.80

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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.