Home / 13,828,371.93-19,083,168.95-7,716,798.81

Finding the Fourth Proportional to 13,828,371.93, 19,083,168.95 and 7,716,798.81

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Solution

The fourth proportional to 13,828,371.93, 19,083,168.95 and 7,716,798.81 is: 10,649,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,371.93 : 19,083,168.95 = 7,716,798.81 : x
  2. Step 2: Convert to fraction form
    13,828,371.93/19,083,168.95 = 7,716,798.81/x
  3. Step 3: Cross multiply
    13,828,371.93x = 19,083,168.95 × 7,716,798.81
  4. Step 4: Simplify right side
    13,828,371.93x = 147,260,975,405,804.94
  5. Step 5: Solve for x
    x = 147,260,975,405,804.94/13,828,371.93
  6. Step 6: Final answer
    x = 10,649,191.11

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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.