Home / 18,727,260.98-28,090,891.54-5,264,088.98

Finding the Fourth Proportional to 18,727,260.98, 28,090,891.54 and 5,264,088.98

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Solution

The fourth proportional to 18,727,260.98, 28,090,891.54 and 5,264,088.98 is: 7,896,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,260.98 : 28,090,891.54 = 5,264,088.98 : x
  2. Step 2: Convert to fraction form
    18,727,260.98/28,090,891.54 = 5,264,088.98/x
  3. Step 3: Cross multiply
    18,727,260.98x = 28,090,891.54 × 5,264,088.98
  4. Step 4: Simplify right side
    18,727,260.98x = 147,872,952,738,374.88
  5. Step 5: Solve for x
    x = 147,872,952,738,374.88/18,727,260.98
  6. Step 6: Final answer
    x = 7,896,133.50

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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.