Home / 19,013,831.86-26,242,441.96-11,283,136.78

Finding the Fourth Proportional to 19,013,831.86, 26,242,441.96 and 11,283,136.78

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Solution

The fourth proportional to 19,013,831.86, 26,242,441.96 and 11,283,136.78 is: 15,572,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013,831.86 : 26,242,441.96 = 11,283,136.78 : x
  2. Step 2: Convert to fraction form
    19,013,831.86/26,242,441.96 = 11,283,136.78/x
  3. Step 3: Cross multiply
    19,013,831.86x = 26,242,441.96 × 11,283,136.78
  4. Step 4: Simplify right side
    19,013,831.86x = 296,097,062,075,891.31
  5. Step 5: Solve for x
    x = 296,097,062,075,891.31/19,013,831.86
  6. Step 6: Final answer
    x = 15,572,719.07

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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.