Home / 14,243,755.20-21,365,632.80-5,725,406.40

Finding the Fourth Proportional to 14,243,755.20, 21,365,632.80 and 5,725,406.40

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Solution

The fourth proportional to 14,243,755.20, 21,365,632.80 and 5,725,406.40 is: 8,588,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243,755.20 : 21,365,632.80 = 5,725,406.40 : x
  2. Step 2: Convert to fraction form
    14,243,755.20/21,365,632.80 = 5,725,406.40/x
  3. Step 3: Cross multiply
    14,243,755.20x = 21,365,632.80 × 5,725,406.40
  4. Step 4: Simplify right side
    14,243,755.20x = 122,326,930,773,169.94
  5. Step 5: Solve for x
    x = 122,326,930,773,169.94/14,243,755.20
  6. Step 6: Final answer
    x = 8,588,109.60

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1.5x scale

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.