Home / 13,303,854.40-19,955,781.60-5,214,141.40

Finding the Fourth Proportional to 13,303,854.40, 19,955,781.60 and 5,214,141.40

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Solution

The fourth proportional to 13,303,854.40, 19,955,781.60 and 5,214,141.40 is: 7,821,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,854.40 : 19,955,781.60 = 5,214,141.40 : x
  2. Step 2: Convert to fraction form
    13,303,854.40/19,955,781.60 = 5,214,141.40/x
  3. Step 3: Cross multiply
    13,303,854.40x = 19,955,781.60 × 5,214,141.40
  4. Step 4: Simplify right side
    13,303,854.40x = 104,052,267,009,918.25
  5. Step 5: Solve for x
    x = 104,052,267,009,918.25/13,303,854.40
  6. Step 6: Final answer
    x = 7,821,212.10

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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.