Home / 14,191,657-21,300,943.80-8,783,949.56

Finding the Fourth Proportional to 14,191,657, 21,300,943.80 and 8,783,949.56

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Solution

The fourth proportional to 14,191,657, 21,300,943.80 and 8,783,949.56 is: 13,184,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191,657 : 21,300,943.80 = 8,783,949.56 : x
  2. Step 2: Convert to fraction form
    14,191,657/21,300,943.80 = 8,783,949.56/x
  3. Step 3: Cross multiply
    14,191,657x = 21,300,943.80 × 8,783,949.56
  4. Step 4: Simplify right side
    14,191,657x = 187,106,415,919,594.75
  5. Step 5: Solve for x
    x = 187,106,415,919,594.75/14,191,657
  6. Step 6: Final answer
    x = 13,184,254.38

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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.