Home / 19,970,228.72-29,956,197.83-7,842,316.36

Finding the Fourth Proportional to 19,970,228.72, 29,956,197.83 and 7,842,316.36

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Solution

The fourth proportional to 19,970,228.72, 29,956,197.83 and 7,842,316.36 is: 11,763,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970,228.72 : 29,956,197.83 = 7,842,316.36 : x
  2. Step 2: Convert to fraction form
    19,970,228.72/29,956,197.83 = 7,842,316.36/x
  3. Step 3: Cross multiply
    19,970,228.72x = 29,956,197.83 × 7,842,316.36
  4. Step 4: Simplify right side
    19,970,228.72x = 234,925,980,325,605.50
  5. Step 5: Solve for x
    x = 234,925,980,325,605.50/19,970,228.72
  6. Step 6: Final answer
    x = 11,763,810.20

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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.