Home / 19,478,294.22-26,888,655.71-11,640,572.14

Finding the Fourth Proportional to 19,478,294.22, 26,888,655.71 and 11,640,572.14

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Solution

The fourth proportional to 19,478,294.22, 26,888,655.71 and 11,640,572.14 is: 16,069,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478,294.22 : 26,888,655.71 = 11,640,572.14 : x
  2. Step 2: Convert to fraction form
    19,478,294.22/26,888,655.71 = 11,640,572.14/x
  3. Step 3: Cross multiply
    19,478,294.22x = 26,888,655.71 × 11,640,572.14
  4. Step 4: Simplify right side
    19,478,294.22x = 312,999,336,539,877.94
  5. Step 5: Solve for x
    x = 312,999,336,539,877.94/19,478,294.22
  6. Step 6: Final answer
    x = 16,069,134.85

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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.