Home / 30,885,339.36-42,604,060.14-19,262,724.60

Finding the Fourth Proportional to 30,885,339.36, 42,604,060.14 and 19,262,724.60

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Solution

The fourth proportional to 30,885,339.36, 42,604,060.14 and 19,262,724.60 is: 26,571,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,339.36 : 42,604,060.14 = 19,262,724.60 : x
  2. Step 2: Convert to fraction form
    30,885,339.36/42,604,060.14 = 19,262,724.60/x
  3. Step 3: Cross multiply
    30,885,339.36x = 42,604,060.14 × 19,262,724.60
  4. Step 4: Simplify right side
    30,885,339.36x = 820,670,277,318,657.50
  5. Step 5: Solve for x
    x = 820,670,277,318,657.50/30,885,339.36
  6. Step 6: Final answer
    x = 26,571,515.62

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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.