Home / 10,130,209.20-13,979,593.20-5,483,875.32

Finding the Fourth Proportional to 10,130,209.20, 13,979,593.20 and 5,483,875.32

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Solution

The fourth proportional to 10,130,209.20, 13,979,593.20 and 5,483,875.32 is: 7,567,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130,209.20 : 13,979,593.20 = 5,483,875.32 : x
  2. Step 2: Convert to fraction form
    10,130,209.20/13,979,593.20 = 5,483,875.32/x
  3. Step 3: Cross multiply
    10,130,209.20x = 13,979,593.20 × 5,483,875.32
  4. Step 4: Simplify right side
    10,130,209.20x = 76,662,346,133,119.83
  5. Step 5: Solve for x
    x = 76,662,346,133,119.83/10,130,209.20
  6. Step 6: Final answer
    x = 7,567,696.25

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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.