Home / 13,168,897.60-19,795,336.80-12,413,070.40

Finding the Fourth Proportional to 13,168,897.60, 19,795,336.80 and 12,413,070.40

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Solution

The fourth proportional to 13,168,897.60, 19,795,336.80 and 12,413,070.40 is: 18,659,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,897.60 : 19,795,336.80 = 12,413,070.40 : x
  2. Step 2: Convert to fraction form
    13,168,897.60/19,795,336.80 = 12,413,070.40/x
  3. Step 3: Cross multiply
    13,168,897.60x = 19,795,336.80 × 12,413,070.40
  4. Step 4: Simplify right side
    13,168,897.60x = 245,720,909,290,110.75
  5. Step 5: Solve for x
    x = 245,720,909,290,110.75/13,168,897.60
  6. Step 6: Final answer
    x = 18,659,185.97

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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.