Home / 28,333,969.44-39,095,994.96-15,942,343.20

Finding the Fourth Proportional to 28,333,969.44, 39,095,994.96 and 15,942,343.20

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Solution

The fourth proportional to 28,333,969.44, 39,095,994.96 and 15,942,343.20 is: 21,997,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333,969.44 : 39,095,994.96 = 15,942,343.20 : x
  2. Step 2: Convert to fraction form
    28,333,969.44/39,095,994.96 = 15,942,343.20/x
  3. Step 3: Cross multiply
    28,333,969.44x = 39,095,994.96 × 15,942,343.20
  4. Step 4: Simplify right side
    28,333,969.44x = 623,281,769,397,790.25
  5. Step 5: Solve for x
    x = 623,281,769,397,790.25/28,333,969.44
  6. Step 6: Final answer
    x = 21,997,686.23

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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.