Home / 21,464,312.80-29,620,965.36-11,674,984.72

Finding the Fourth Proportional to 21,464,312.80, 29,620,965.36 and 11,674,984.72

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Solution

The fourth proportional to 21,464,312.80, 29,620,965.36 and 11,674,984.72 is: 16,111,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464,312.80 : 29,620,965.36 = 11,674,984.72 : x
  2. Step 2: Convert to fraction form
    21,464,312.80/29,620,965.36 = 11,674,984.72/x
  3. Step 3: Cross multiply
    21,464,312.80x = 29,620,965.36 × 11,674,984.72
  4. Step 4: Simplify right side
    21,464,312.80x = 345,824,317,969,649.31
  5. Step 5: Solve for x
    x = 345,824,317,969,649.31/21,464,312.80
  6. Step 6: Final answer
    x = 16,111,595.15

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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.