Home / 15,781,364.09-21,793,322.98-14,921,597.33

Finding the Fourth Proportional to 15,781,364.09, 21,793,322.98 and 14,921,597.33

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Solution

The fourth proportional to 15,781,364.09, 21,793,322.98 and 14,921,597.33 is: 20,606,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,364.09 : 21,793,322.98 = 14,921,597.33 : x
  2. Step 2: Convert to fraction form
    15,781,364.09/21,793,322.98 = 14,921,597.33/x
  3. Step 3: Cross multiply
    15,781,364.09x = 21,793,322.98 × 14,921,597.33
  4. Step 4: Simplify right side
    15,781,364.09x = 325,191,189,941,302.88
  5. Step 5: Solve for x
    x = 325,191,189,941,302.88/15,781,364.09
  6. Step 6: Final answer
    x = 20,606,025.44

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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.