Home / 21,303,733.30-31,971,346.35-14,112,877.30

Finding the Fourth Proportional to 21,303,733.30, 31,971,346.35 and 14,112,877.30

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Solution

The fourth proportional to 21,303,733.30, 31,971,346.35 and 14,112,877.30 is: 21,179,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,733.30 : 31,971,346.35 = 14,112,877.30 : x
  2. Step 2: Convert to fraction form
    21,303,733.30/31,971,346.35 = 14,112,877.30/x
  3. Step 3: Cross multiply
    21,303,733.30x = 31,971,346.35 × 14,112,877.30
  4. Step 4: Simplify right side
    21,303,733.30x = 451,207,688,153,352.88
  5. Step 5: Solve for x
    x = 451,207,688,153,352.88/21,303,733.30
  6. Step 6: Final answer
    x = 21,179,747.31

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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.