Home / 19,478,292.72-26,888,653.64-11,640,570.64

Finding the Fourth Proportional to 19,478,292.72, 26,888,653.64 and 11,640,570.64

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Solution

The fourth proportional to 19,478,292.72, 26,888,653.64 and 11,640,570.64 is: 16,069,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478,292.72 : 26,888,653.64 = 11,640,570.64 : x
  2. Step 2: Convert to fraction form
    19,478,292.72/26,888,653.64 = 11,640,570.64/x
  3. Step 3: Cross multiply
    19,478,292.72x = 26,888,653.64 × 11,640,570.64
  4. Step 4: Simplify right side
    19,478,292.72x = 312,999,272,110,913.12
  5. Step 5: Solve for x
    x = 312,999,272,110,913.12/19,478,292.72
  6. Step 6: Final answer
    x = 16,069,132.78

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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.