Home / 21,815,357.09-30,105,400.40-12,026,152.37

Finding the Fourth Proportional to 21,815,357.09, 30,105,400.40 and 12,026,152.37

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Solution

The fourth proportional to 21,815,357.09, 30,105,400.40 and 12,026,152.37 is: 16,596,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815,357.09 : 30,105,400.40 = 12,026,152.37 : x
  2. Step 2: Convert to fraction form
    21,815,357.09/30,105,400.40 = 12,026,152.37/x
  3. Step 3: Cross multiply
    21,815,357.09x = 30,105,400.40 × 12,026,152.37
  4. Step 4: Simplify right side
    21,815,357.09x = 362,052,132,159,601.19
  5. Step 5: Solve for x
    x = 362,052,132,159,601.19/21,815,357.09
  6. Step 6: Final answer
    x = 16,596,204.72

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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.