Home / 25,637,539.80-38,456,309.70-7,686,643.80

Finding the Fourth Proportional to 25,637,539.80, 38,456,309.70 and 7,686,643.80

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Solution

The fourth proportional to 25,637,539.80, 38,456,309.70 and 7,686,643.80 is: 11,529,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637,539.80 : 38,456,309.70 = 7,686,643.80 : x
  2. Step 2: Convert to fraction form
    25,637,539.80/38,456,309.70 = 7,686,643.80/x
  3. Step 3: Cross multiply
    25,637,539.80x = 38,456,309.70 × 7,686,643.80
  4. Step 4: Simplify right side
    25,637,539.80x = 295,599,954,526,384.88
  5. Step 5: Solve for x
    x = 295,599,954,526,384.88/25,637,539.80
  6. Step 6: Final answer
    x = 11,529,965.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.