Home / 14,208,085.80-21,287,634.30-6,619,487.40

Finding the Fourth Proportional to 14,208,085.80, 21,287,634.30 and 6,619,487.40

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Solution

The fourth proportional to 14,208,085.80, 21,287,634.30 and 6,619,487.40 is: 9,917,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,085.80 : 21,287,634.30 = 6,619,487.40 : x
  2. Step 2: Convert to fraction form
    14,208,085.80/21,287,634.30 = 6,619,487.40/x
  3. Step 3: Cross multiply
    14,208,085.80x = 21,287,634.30 × 6,619,487.40
  4. Step 4: Simplify right side
    14,208,085.80x = 140,913,227,024,657.84
  5. Step 5: Solve for x
    x = 140,913,227,024,657.84/14,208,085.80
  6. Step 6: Final answer
    x = 9,917,819.26

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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.