Home / 12,742,866.09-19,117,096.34-9,366,837.93

Finding the Fourth Proportional to 12,742,866.09, 19,117,096.34 and 9,366,837.93

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Solution

The fourth proportional to 12,742,866.09, 19,117,096.34 and 9,366,837.93 is: 14,052,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,866.09 : 19,117,096.34 = 9,366,837.93 : x
  2. Step 2: Convert to fraction form
    12,742,866.09/19,117,096.34 = 9,366,837.93/x
  3. Step 3: Cross multiply
    12,742,866.09x = 19,117,096.34 × 9,366,837.93
  4. Step 4: Simplify right side
    12,742,866.09x = 179,066,743,062,142
  5. Step 5: Solve for x
    x = 179,066,743,062,142/12,742,866.09
  6. Step 6: Final answer
    x = 14,052,313.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.