Home / 19,820,942.02-27,346,769.93-11,555,153.51

Finding the Fourth Proportional to 19,820,942.02, 27,346,769.93 and 11,555,153.51

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Solution

The fourth proportional to 19,820,942.02, 27,346,769.93 and 11,555,153.51 is: 15,942,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820,942.02 : 27,346,769.93 = 11,555,153.51 : x
  2. Step 2: Convert to fraction form
    19,820,942.02/27,346,769.93 = 11,555,153.51/x
  3. Step 3: Cross multiply
    19,820,942.02x = 27,346,769.93 × 11,555,153.51
  4. Step 4: Simplify right side
    19,820,942.02x = 315,996,124,486,026.19
  5. Step 5: Solve for x
    x = 315,996,124,486,026.19/19,820,942.02
  6. Step 6: Final answer
    x = 15,942,538.16

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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.