Home / 28,015,019.84-42,023,817.36-8,582,852.34

Finding the Fourth Proportional to 28,015,019.84, 42,023,817.36 and 8,582,852.34

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Solution

The fourth proportional to 28,015,019.84, 42,023,817.36 and 8,582,852.34 is: 12,874,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,019.84 : 42,023,817.36 = 8,582,852.34 : x
  2. Step 2: Convert to fraction form
    28,015,019.84/42,023,817.36 = 8,582,852.34/x
  3. Step 3: Cross multiply
    28,015,019.84x = 42,023,817.36 × 8,582,852.34
  4. Step 4: Simplify right side
    28,015,019.84x = 360,684,219,164,008.62
  5. Step 5: Solve for x
    x = 360,684,219,164,008.62/28,015,019.84
  6. Step 6: Final answer
    x = 12,874,672.99

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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.