Home / 13,928,924.85-19,220,979.56-7,733,651.40

Finding the Fourth Proportional to 13,928,924.85, 19,220,979.56 and 7,733,651.40

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Solution

The fourth proportional to 13,928,924.85, 19,220,979.56 and 7,733,651.40 is: 10,671,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928,924.85 : 19,220,979.56 = 7,733,651.40 : x
  2. Step 2: Convert to fraction form
    13,928,924.85/19,220,979.56 = 7,733,651.40/x
  3. Step 3: Cross multiply
    13,928,924.85x = 19,220,979.56 × 7,733,651.40
  4. Step 4: Simplify right side
    13,928,924.85x = 148,648,355,444,897.12
  5. Step 5: Solve for x
    x = 148,648,355,444,897.12/13,928,924.85
  6. Step 6: Final answer
    x = 10,671,918.83

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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.