Home / 19,722,616.39-27,216,688.50-11,020,860.51

Finding the Fourth Proportional to 19,722,616.39, 27,216,688.50 and 11,020,860.51

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Solution

The fourth proportional to 19,722,616.39, 27,216,688.50 and 11,020,860.51 is: 15,208,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,616.39 : 27,216,688.50 = 11,020,860.51 : x
  2. Step 2: Convert to fraction form
    19,722,616.39/27,216,688.50 = 11,020,860.51/x
  3. Step 3: Cross multiply
    19,722,616.39x = 27,216,688.50 × 11,020,860.51
  4. Step 4: Simplify right side
    19,722,616.39x = 299,951,327,502,621.12
  5. Step 5: Solve for x
    x = 299,951,327,502,621.12/19,722,616.39
  6. Step 6: Final answer
    x = 15,208,495.75

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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.