Home / 14,295,847.34-19,728,421.71-7,769,477.12

Finding the Fourth Proportional to 14,295,847.34, 19,728,421.71 and 7,769,477.12

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Solution

The fourth proportional to 14,295,847.34, 19,728,421.71 and 7,769,477.12 is: 10,721,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295,847.34 : 19,728,421.71 = 7,769,477.12 : x
  2. Step 2: Convert to fraction form
    14,295,847.34/19,728,421.71 = 7,769,477.12/x
  3. Step 3: Cross multiply
    14,295,847.34x = 19,728,421.71 × 7,769,477.12
  4. Step 4: Simplify right side
    14,295,847.34x = 153,279,521,116,454.31
  5. Step 5: Solve for x
    x = 153,279,521,116,454.31/14,295,847.34
  6. Step 6: Final answer
    x = 10,721,961.24

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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.