Home / 13,458,973.77-18,573,365.99-8,630,066.25

Finding the Fourth Proportional to 13,458,973.77, 18,573,365.99 and 8,630,066.25

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Solution

The fourth proportional to 13,458,973.77, 18,573,365.99 and 8,630,066.25 is: 11,909,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,973.77 : 18,573,365.99 = 8,630,066.25 : x
  2. Step 2: Convert to fraction form
    13,458,973.77/18,573,365.99 = 8,630,066.25/x
  3. Step 3: Cross multiply
    13,458,973.77x = 18,573,365.99 × 8,630,066.25
  4. Step 4: Simplify right side
    13,458,973.77x = 160,289,378,936,046.50
  5. Step 5: Solve for x
    x = 160,289,378,936,046.50/13,458,973.77
  6. Step 6: Final answer
    x = 11,909,480.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.