Home / 12,318,539.82-16,999,695.02-6,812,285.10

Finding the Fourth Proportional to 12,318,539.82, 16,999,695.02 and 6,812,285.10

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Solution

The fourth proportional to 12,318,539.82, 16,999,695.02 and 6,812,285.10 is: 9,401,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,539.82 : 16,999,695.02 = 6,812,285.10 : x
  2. Step 2: Convert to fraction form
    12,318,539.82/16,999,695.02 = 6,812,285.10/x
  3. Step 3: Cross multiply
    12,318,539.82x = 16,999,695.02 × 6,812,285.10
  4. Step 4: Simplify right side
    12,318,539.82x = 115,806,769,106,320.92
  5. Step 5: Solve for x
    x = 115,806,769,106,320.92/12,318,539.82
  6. Step 6: Final answer
    x = 9,401,014.31

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1.5x scale

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.