Home / 30,611,382.60-42,242,113.26-19,008,697.17

Finding the Fourth Proportional to 30,611,382.60, 42,242,113.26 and 19,008,697.17

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Solution

The fourth proportional to 30,611,382.60, 42,242,113.26 and 19,008,697.17 is: 26,231,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,382.60 : 42,242,113.26 = 19,008,697.17 : x
  2. Step 2: Convert to fraction form
    30,611,382.60/42,242,113.26 = 19,008,697.17/x
  3. Step 3: Cross multiply
    30,611,382.60x = 42,242,113.26 × 19,008,697.17
  4. Step 4: Simplify right side
    30,611,382.60x = 802,967,538,780,181.50
  5. Step 5: Solve for x
    x = 802,967,538,780,181.50/30,611,382.60
  6. Step 6: Final answer
    x = 26,231,011.82

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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.