Home / 15,504,307.51-21,395,944.65-8,630,413.42

Finding the Fourth Proportional to 15,504,307.51, 21,395,944.65 and 8,630,413.42

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Solution

The fourth proportional to 15,504,307.51, 21,395,944.65 and 8,630,413.42 is: 11,909,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,307.51 : 21,395,944.65 = 8,630,413.42 : x
  2. Step 2: Convert to fraction form
    15,504,307.51/21,395,944.65 = 8,630,413.42/x
  3. Step 3: Cross multiply
    15,504,307.51x = 21,395,944.65 × 8,630,413.42
  4. Step 4: Simplify right side
    15,504,307.51x = 184,655,847,840,937.19
  5. Step 5: Solve for x
    x = 184,655,847,840,937.19/15,504,307.51
  6. Step 6: Final answer
    x = 11,909,970.68

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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.