Home / 30,854,724.72-42,583,857.84-19,097,764.16

Finding the Fourth Proportional to 30,854,724.72, 42,583,857.84 and 19,097,764.16

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Solution

The fourth proportional to 30,854,724.72, 42,583,857.84 and 19,097,764.16 is: 26,357,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854,724.72 : 42,583,857.84 = 19,097,764.16 : x
  2. Step 2: Convert to fraction form
    30,854,724.72/42,583,857.84 = 19,097,764.16/x
  3. Step 3: Cross multiply
    30,854,724.72x = 42,583,857.84 × 19,097,764.16
  4. Step 4: Simplify right side
    30,854,724.72x = 813,256,474,051,287.12
  5. Step 5: Solve for x
    x = 813,256,474,051,287.12/30,854,724.72
  6. Step 6: Final answer
    x = 26,357,599.41

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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.