Home / 19,809,675.32-27,305,758.98-15,616,523.81

Finding the Fourth Proportional to 19,809,675.32, 27,305,758.98 and 15,616,523.81

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Solution

The fourth proportional to 19,809,675.32, 27,305,758.98 and 15,616,523.81 is: 21,525,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,675.32 : 27,305,758.98 = 15,616,523.81 : x
  2. Step 2: Convert to fraction form
    19,809,675.32/27,305,758.98 = 15,616,523.81/x
  3. Step 3: Cross multiply
    19,809,675.32x = 27,305,758.98 × 15,616,523.81
  4. Step 4: Simplify right side
    19,809,675.32x = 426,421,035,124,762.50
  5. Step 5: Solve for x
    x = 426,421,035,124,762.50/19,809,675.32
  6. Step 6: Final answer
    x = 21,525,897.24

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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.