Home / 18,171,574.16-25,077,070.67-9,911,636.01

Finding the Fourth Proportional to 18,171,574.16, 25,077,070.67 and 9,911,636.01

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Solution

The fourth proportional to 18,171,574.16, 25,077,070.67 and 9,911,636.01 is: 13,678,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,574.16 : 25,077,070.67 = 9,911,636.01 : x
  2. Step 2: Convert to fraction form
    18,171,574.16/25,077,070.67 = 9,911,636.01/x
  3. Step 3: Cross multiply
    18,171,574.16x = 25,077,070.67 × 9,911,636.01
  4. Step 4: Simplify right side
    18,171,574.16x = 248,554,796,628,528.62
  5. Step 5: Solve for x
    x = 248,554,796,628,528.62/18,171,574.16
  6. Step 6: Final answer
    x = 13,678,220.42

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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.