Home / 20,161,247,315.29-27,822,424,288.76-11,128,926,413.18

Finding the Fourth Proportional to 20,161,247,315.29, 27,822,424,288.76 and 11,128,926,413.18

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Solution

The fourth proportional to 20,161,247,315.29, 27,822,424,288.76 and 11,128,926,413.18 is: 15,357,864,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,247,315.29 : 27,822,424,288.76 = 11,128,926,413.18 : x
  2. Step 2: Convert to fraction form
    20,161,247,315.29/27,822,424,288.76 = 11,128,926,413.18/x
  3. Step 3: Cross multiply
    20,161,247,315.29x = 27,822,424,288.76 × 11,128,926,413.18
  4. Step 4: Simplify right side
    20,161,247,315.29x = 309,633,712,545,842,987,008
  5. Step 5: Solve for x
    x = 309,633,712,545,842,987,008/20,161,247,315.29
  6. Step 6: Final answer
    x = 15,357,864,903.08

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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.