Home / 39,071,898-53,919,219.24-21,670,907.76

Finding the Fourth Proportional to 39,071,898, 53,919,219.24 and 21,670,907.76

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Solution

The fourth proportional to 39,071,898, 53,919,219.24 and 21,670,907.76 is: 29,905,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071,898 : 53,919,219.24 = 21,670,907.76 : x
  2. Step 2: Convert to fraction form
    39,071,898/53,919,219.24 = 21,670,907.76/x
  3. Step 3: Cross multiply
    39,071,898x = 53,919,219.24 × 21,670,907.76
  4. Step 4: Simplify right side
    39,071,898x = 1,168,478,426,641,257.50
  5. Step 5: Solve for x
    x = 1,168,478,426,641,257.50/39,071,898
  6. Step 6: Final answer
    x = 29,905,852.71

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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.