Home / 19,478,529.73-26,878,007.98-11,221,265.19

Finding the Fourth Proportional to 19,478,529.73, 26,878,007.98 and 11,221,265.19

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Solution

The fourth proportional to 19,478,529.73, 26,878,007.98 and 11,221,265.19 is: 15,483,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478,529.73 : 26,878,007.98 = 11,221,265.19 : x
  2. Step 2: Convert to fraction form
    19,478,529.73/26,878,007.98 = 11,221,265.19/x
  3. Step 3: Cross multiply
    19,478,529.73x = 26,878,007.98 × 11,221,265.19
  4. Step 4: Simplify right side
    19,478,529.73x = 301,605,255,374,215.69
  5. Step 5: Solve for x
    x = 301,605,255,374,215.69/19,478,529.73
  6. Step 6: Final answer
    x = 15,483,984.65

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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.