Home / 13,223,742.96-19,827,907.44-5,127,259.92

Finding the Fourth Proportional to 13,223,742.96, 19,827,907.44 and 5,127,259.92

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Solution

The fourth proportional to 13,223,742.96, 19,827,907.44 and 5,127,259.92 is: 7,687,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,742.96 : 19,827,907.44 = 5,127,259.92 : x
  2. Step 2: Convert to fraction form
    13,223,742.96/19,827,907.44 = 5,127,259.92/x
  3. Step 3: Cross multiply
    13,223,742.96x = 19,827,907.44 × 5,127,259.92
  4. Step 4: Simplify right side
    13,223,742.96x = 101,662,835,114,581.81
  5. Step 5: Solve for x
    x = 101,662,835,114,581.81/13,223,742.96
  6. Step 6: Final answer
    x = 7,687,901.63

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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.