Home / 9,233,993.80-12,742,899.78-5,159,612.80

Finding the Fourth Proportional to 9,233,993.80, 12,742,899.78 and 5,159,612.80

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Solution

The fourth proportional to 9,233,993.80, 12,742,899.78 and 5,159,612.80 is: 7,120,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,233,993.80 : 12,742,899.78 = 5,159,612.80 : x
  2. Step 2: Convert to fraction form
    9,233,993.80/12,742,899.78 = 5,159,612.80/x
  3. Step 3: Cross multiply
    9,233,993.80x = 12,742,899.78 × 5,159,612.80
  4. Step 4: Simplify right side
    9,233,993.80x = 65,748,428,814,005.18
  5. Step 5: Solve for x
    x = 65,748,428,814,005.18/9,233,993.80
  6. Step 6: Final answer
    x = 7,120,259.15

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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.