Home / 15,225,661.04-21,009,468.64-8,699,712.96

Finding the Fourth Proportional to 15,225,661.04, 21,009,468.64 and 8,699,712.96

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Solution

The fourth proportional to 15,225,661.04, 21,009,468.64 and 8,699,712.96 is: 12,004,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225,661.04 : 21,009,468.64 = 8,699,712.96 : x
  2. Step 2: Convert to fraction form
    15,225,661.04/21,009,468.64 = 8,699,712.96/x
  3. Step 3: Cross multiply
    15,225,661.04x = 21,009,468.64 × 8,699,712.96
  4. Step 4: Simplify right side
    15,225,661.04x = 182,776,346,610,121.59
  5. Step 5: Solve for x
    x = 182,776,346,610,121.59/15,225,661.04
  6. Step 6: Final answer
    x = 12,004,493.34

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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.