Home / 39,630,153.86-54,638,998.44-25,666,844.12

Finding the Fourth Proportional to 39,630,153.86, 54,638,998.44 and 25,666,844.12

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Solution

The fourth proportional to 39,630,153.86, 54,638,998.44 and 25,666,844.12 is: 35,387,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630,153.86 : 54,638,998.44 = 25,666,844.12 : x
  2. Step 2: Convert to fraction form
    39,630,153.86/54,638,998.44 = 25,666,844.12/x
  3. Step 3: Cross multiply
    39,630,153.86x = 54,638,998.44 × 25,666,844.12
  4. Step 4: Simplify right side
    39,630,153.86x = 1,402,410,655,832,403.25
  5. Step 5: Solve for x
    x = 1,402,410,655,832,403.25/39,630,153.86
  6. Step 6: Final answer
    x = 35,387,464.32

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1.5x scale

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.