Home / 31,068,365.86-42,892,736.16-27,621,085.24

Finding the Fourth Proportional to 31,068,365.86, 42,892,736.16 and 27,621,085.24

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Solution

The fourth proportional to 31,068,365.86, 42,892,736.16 and 27,621,085.24 is: 38,133,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068,365.86 : 42,892,736.16 = 27,621,085.24 : x
  2. Step 2: Convert to fraction form
    31,068,365.86/42,892,736.16 = 27,621,085.24/x
  3. Step 3: Cross multiply
    31,068,365.86x = 42,892,736.16 × 27,621,085.24
  4. Step 4: Simplify right side
    31,068,365.86x = 1,184,743,921,652,190
  5. Step 5: Solve for x
    x = 1,184,743,921,652,190/31,068,365.86
  6. Step 6: Final answer
    x = 38,133,448.25

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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.