Home / 19,369,413.90-26,730,999.54-10,667,584.31

Finding the Fourth Proportional to 19,369,413.90, 26,730,999.54 and 10,667,584.31

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Solution

The fourth proportional to 19,369,413.90, 26,730,999.54 and 10,667,584.31 is: 14,721,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369,413.90 : 26,730,999.54 = 10,667,584.31 : x
  2. Step 2: Convert to fraction form
    19,369,413.90/26,730,999.54 = 10,667,584.31/x
  3. Step 3: Cross multiply
    19,369,413.90x = 26,730,999.54 × 10,667,584.31
  4. Step 4: Simplify right side
    19,369,413.90x = 285,155,191,149,866.19
  5. Step 5: Solve for x
    x = 285,155,191,149,866.19/19,369,413.90
  6. Step 6: Final answer
    x = 14,721,931.84

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1.5x scale

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.