Home / 14,298,436.80-21,456,840.60-7,913,271.60

Finding the Fourth Proportional to 14,298,436.80, 21,456,840.60 and 7,913,271.60

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Solution

The fourth proportional to 14,298,436.80, 21,456,840.60 and 7,913,271.60 is: 11,874,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,436.80 : 21,456,840.60 = 7,913,271.60 : x
  2. Step 2: Convert to fraction form
    14,298,436.80/21,456,840.60 = 7,913,271.60/x
  3. Step 3: Cross multiply
    14,298,436.80x = 21,456,840.60 × 7,913,271.60
  4. Step 4: Simplify right side
    14,298,436.80x = 169,793,807,345,706.97
  5. Step 5: Solve for x
    x = 169,793,807,345,706.97/14,298,436.80
  6. Step 6: Final answer
    x = 11,874,990.93

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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.