Home / 21,302,285,135.40-31,953,427,703.10-8,889,523,986.60

Finding the Fourth Proportional to 21,302,285,135.40, 31,953,427,703.10 and 8,889,523,986.60

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Solution

The fourth proportional to 21,302,285,135.40, 31,953,427,703.10 and 8,889,523,986.60 is: 13,334,285,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,285,135.40 : 31,953,427,703.10 = 8,889,523,986.60 : x
  2. Step 2: Convert to fraction form
    21,302,285,135.40/31,953,427,703.10 = 8,889,523,986.60/x
  3. Step 3: Cross multiply
    21,302,285,135.40x = 31,953,427,703.10 × 8,889,523,986.60
  4. Step 4: Simplify right side
    21,302,285,135.40x = 284,050,762,020,796,399,616
  5. Step 5: Solve for x
    x = 284,050,762,020,796,399,616/21,302,285,135.40
  6. Step 6: Final answer
    x = 13,334,285,979.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.