Home / 14,173,645.60-21,260,468.40-13,078,784.80

Finding the Fourth Proportional to 14,173,645.60, 21,260,468.40 and 13,078,784.80

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Solution

The fourth proportional to 14,173,645.60, 21,260,468.40 and 13,078,784.80 is: 19,618,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173,645.60 : 21,260,468.40 = 13,078,784.80 : x
  2. Step 2: Convert to fraction form
    14,173,645.60/21,260,468.40 = 13,078,784.80/x
  3. Step 3: Cross multiply
    14,173,645.60x = 21,260,468.40 × 13,078,784.80
  4. Step 4: Simplify right side
    14,173,645.60x = 278,061,090,950,800.31
  5. Step 5: Solve for x
    x = 278,061,090,950,800.31/14,173,645.60
  6. Step 6: Final answer
    x = 19,618,177.20

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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.