Home / 15,402,669.49-21,255,538.48-8,873,901.01

Finding the Fourth Proportional to 15,402,669.49, 21,255,538.48 and 8,873,901.01

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Solution

The fourth proportional to 15,402,669.49, 21,255,538.48 and 8,873,901.01 is: 12,245,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402,669.49 : 21,255,538.48 = 8,873,901.01 : x
  2. Step 2: Convert to fraction form
    15,402,669.49/21,255,538.48 = 8,873,901.01/x
  3. Step 3: Cross multiply
    15,402,669.49x = 21,255,538.48 × 8,873,901.01
  4. Step 4: Simplify right side
    15,402,669.49x = 188,619,544,385,765.88
  5. Step 5: Solve for x
    x = 188,619,544,385,765.88/15,402,669.49
  6. Step 6: Final answer
    x = 12,245,899.62

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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.