Home / 12,484,840.50-18,727,260.80-3,509,392.50

Finding the Fourth Proportional to 12,484,840.50, 18,727,260.80 and 3,509,392.50

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Solution

The fourth proportional to 12,484,840.50, 18,727,260.80 and 3,509,392.50 is: 5,264,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,840.50 : 18,727,260.80 = 3,509,392.50 : x
  2. Step 2: Convert to fraction form
    12,484,840.50/18,727,260.80 = 3,509,392.50/x
  3. Step 3: Cross multiply
    12,484,840.50x = 18,727,260.80 × 3,509,392.50
  4. Step 4: Simplify right side
    12,484,840.50x = 65,721,308,579,517.05
  5. Step 5: Solve for x
    x = 65,721,308,579,517.05/12,484,840.50
  6. Step 6: Final answer
    x = 5,264,088.76

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1.5x scale

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.