Home / 12,290,586.36-16,968,998.52-10,999,206.60

Finding the Fourth Proportional to 12,290,586.36, 16,968,998.52 and 10,999,206.60

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Solution

The fourth proportional to 12,290,586.36, 16,968,998.52 and 10,999,206.60 is: 15,186,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,586.36 : 16,968,998.52 = 10,999,206.60 : x
  2. Step 2: Convert to fraction form
    12,290,586.36/16,968,998.52 = 10,999,206.60/x
  3. Step 3: Cross multiply
    12,290,586.36x = 16,968,998.52 × 10,999,206.60
  4. Step 4: Simplify right side
    12,290,586.36x = 186,645,520,516,574.22
  5. Step 5: Solve for x
    x = 186,645,520,516,574.22/12,290,586.36
  6. Step 6: Final answer
    x = 15,186,055.01

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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.