Home / 18,415,389.06-25,412,681.24-10,155,447.54

Finding the Fourth Proportional to 18,415,389.06, 25,412,681.24 and 10,155,447.54

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Solution

The fourth proportional to 18,415,389.06, 25,412,681.24 and 10,155,447.54 is: 14,014,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415,389.06 : 25,412,681.24 = 10,155,447.54 : x
  2. Step 2: Convert to fraction form
    18,415,389.06/25,412,681.24 = 10,155,447.54/x
  3. Step 3: Cross multiply
    18,415,389.06x = 25,412,681.24 × 10,155,447.54
  4. Step 4: Simplify right side
    18,415,389.06x = 258,077,151,183,562.12
  5. Step 5: Solve for x
    x = 258,077,151,183,562.12/18,415,389.06
  6. Step 6: Final answer
    x = 14,014,211.18

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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.