Home / 14,507,946.93-20,020,966.62-7,981,436.31

Finding the Fourth Proportional to 14,507,946.93, 20,020,966.62 and 7,981,436.31

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Solution

The fourth proportional to 14,507,946.93, 20,020,966.62 and 7,981,436.31 is: 11,014,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,946.93 : 20,020,966.62 = 7,981,436.31 : x
  2. Step 2: Convert to fraction form
    14,507,946.93/20,020,966.62 = 7,981,436.31/x
  3. Step 3: Cross multiply
    14,507,946.93x = 20,020,966.62 × 7,981,436.31
  4. Step 4: Simplify right side
    14,507,946.93x = 159,796,069,942,165.97
  5. Step 5: Solve for x
    x = 159,796,069,942,165.97/14,507,946.93
  6. Step 6: Final answer
    x = 11,014,382.03

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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.