Home / 13,107,189.04-18,088,533.30-7,306,012.78

Finding the Fourth Proportional to 13,107,189.04, 18,088,533.30 and 7,306,012.78

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Solution

The fourth proportional to 13,107,189.04, 18,088,533.30 and 7,306,012.78 is: 10,082,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,189.04 : 18,088,533.30 = 7,306,012.78 : x
  2. Step 2: Convert to fraction form
    13,107,189.04/18,088,533.30 = 7,306,012.78/x
  3. Step 3: Cross multiply
    13,107,189.04x = 18,088,533.30 × 7,306,012.78
  4. Step 4: Simplify right side
    13,107,189.04x = 132,155,055,461,255.58
  5. Step 5: Solve for x
    x = 132,155,055,461,255.58/13,107,189.04
  6. Step 6: Final answer
    x = 10,082,639.01

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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.