Home / 14,507,952.93-20,020,974.90-7,981,442.31

Finding the Fourth Proportional to 14,507,952.93, 20,020,974.90 and 7,981,442.31

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Solution

The fourth proportional to 14,507,952.93, 20,020,974.90 and 7,981,442.31 is: 11,014,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,952.93 : 20,020,974.90 = 7,981,442.31 : x
  2. Step 2: Convert to fraction form
    14,507,952.93/20,020,974.90 = 7,981,442.31/x
  3. Step 3: Cross multiply
    14,507,952.93x = 20,020,974.90 × 7,981,442.31
  4. Step 4: Simplify right side
    14,507,952.93x = 159,796,256,154,308
  5. Step 5: Solve for x
    x = 159,796,256,154,308/14,507,952.93
  6. Step 6: Final answer
    x = 11,014,390.31

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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.