Home / 12,447,795.60-18,671,693.40-8,382,271.95

Finding the Fourth Proportional to 12,447,795.60, 18,671,693.40 and 8,382,271.95

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Solution

The fourth proportional to 12,447,795.60, 18,671,693.40 and 8,382,271.95 is: 12,573,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,795.60 : 18,671,693.40 = 8,382,271.95 : x
  2. Step 2: Convert to fraction form
    12,447,795.60/18,671,693.40 = 8,382,271.95/x
  3. Step 3: Cross multiply
    12,447,795.60x = 18,671,693.40 × 8,382,271.95
  4. Step 4: Simplify right side
    12,447,795.60x = 156,511,211,845,820.12
  5. Step 5: Solve for x
    x = 156,511,211,845,820.12/12,447,795.60
  6. Step 6: Final answer
    x = 12,573,407.93

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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.