Home / 7,203,011-10,803,720.69-1,811,663.60

Finding the Fourth Proportional to 7,203,011, 10,803,720.69 and 1,811,663.60

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Solution

The fourth proportional to 7,203,011, 10,803,720.69 and 1,811,663.60 is: 2,717,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203,011 : 10,803,720.69 = 1,811,663.60 : x
  2. Step 2: Convert to fraction form
    7,203,011/10,803,720.69 = 1,811,663.60/x
  3. Step 3: Cross multiply
    7,203,011x = 10,803,720.69 × 1,811,663.60
  4. Step 4: Simplify right side
    7,203,011x = 19,572,707,518,639.88
  5. Step 5: Solve for x
    x = 19,572,707,518,639.88/7,203,011
  6. Step 6: Final answer
    x = 2,717,295.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.