Home / 9,289,413.73-12,819,036.35-5,159,709.76

Finding the Fourth Proportional to 9,289,413.73, 12,819,036.35 and 5,159,709.76

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Solution

The fourth proportional to 9,289,413.73, 12,819,036.35 and 5,159,709.76 is: 7,120,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289,413.73 : 12,819,036.35 = 5,159,709.76 : x
  2. Step 2: Convert to fraction form
    9,289,413.73/12,819,036.35 = 5,159,709.76/x
  3. Step 3: Cross multiply
    9,289,413.73x = 12,819,036.35 × 5,159,709.76
  4. Step 4: Simplify right side
    9,289,413.73x = 66,142,506,968,889.77
  5. Step 5: Solve for x
    x = 66,142,506,968,889.77/9,289,413.73
  6. Step 6: Final answer
    x = 7,120,202.51

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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.