Home / 30,838,296.89-42,556,899.72-16,897,436.70

Finding the Fourth Proportional to 30,838,296.89, 42,556,899.72 and 16,897,436.70

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Solution

The fourth proportional to 30,838,296.89, 42,556,899.72 and 16,897,436.70 is: 23,318,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838,296.89 : 42,556,899.72 = 16,897,436.70 : x
  2. Step 2: Convert to fraction form
    30,838,296.89/42,556,899.72 = 16,897,436.70/x
  3. Step 3: Cross multiply
    30,838,296.89x = 42,556,899.72 × 16,897,436.70
  4. Step 4: Simplify right side
    30,838,296.89x = 719,102,519,166,947.62
  5. Step 5: Solve for x
    x = 719,102,519,166,947.62/30,838,296.89
  6. Step 6: Final answer
    x = 23,318,490.05

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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.