Home / 15,832,707.84-21,848,705.28-8,768,056.32

Finding the Fourth Proportional to 15,832,707.84, 21,848,705.28 and 8,768,056.32

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Solution

The fourth proportional to 15,832,707.84, 21,848,705.28 and 8,768,056.32 is: 12,099,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832,707.84 : 21,848,705.28 = 8,768,056.32 : x
  2. Step 2: Convert to fraction form
    15,832,707.84/21,848,705.28 = 8,768,056.32/x
  3. Step 3: Cross multiply
    15,832,707.84x = 21,848,705.28 × 8,768,056.32
  4. Step 4: Simplify right side
    15,832,707.84x = 191,570,678,414,121.38
  5. Step 5: Solve for x
    x = 191,570,678,414,121.38/15,832,707.84
  6. Step 6: Final answer
    x = 12,099,678.74

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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.