Home / 13,313,207.04-18,366,390.24-7,803,788.80

Finding the Fourth Proportional to 13,313,207.04, 18,366,390.24 and 7,803,788.80

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Solution

The fourth proportional to 13,313,207.04, 18,366,390.24 and 7,803,788.80 is: 10,765,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313,207.04 : 18,366,390.24 = 7,803,788.80 : x
  2. Step 2: Convert to fraction form
    13,313,207.04/18,366,390.24 = 7,803,788.80/x
  3. Step 3: Cross multiply
    13,313,207.04x = 18,366,390.24 × 7,803,788.80
  4. Step 4: Simplify right side
    13,313,207.04x = 143,327,430,451,341.28
  5. Step 5: Solve for x
    x = 143,327,430,451,341.28/13,313,207.04
  6. Step 6: Final answer
    x = 10,765,807.97

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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.