Home / 31,103,808.40-46,655,712.60-19,710,413.20

Finding the Fourth Proportional to 31,103,808.40, 46,655,712.60 and 19,710,413.20

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Solution

The fourth proportional to 31,103,808.40, 46,655,712.60 and 19,710,413.20 is: 29,565,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103,808.40 : 46,655,712.60 = 19,710,413.20 : x
  2. Step 2: Convert to fraction form
    31,103,808.40/46,655,712.60 = 19,710,413.20/x
  3. Step 3: Cross multiply
    31,103,808.40x = 46,655,712.60 × 19,710,413.20
  4. Step 4: Simplify right side
    31,103,808.40x = 919,603,373,486,446.38
  5. Step 5: Solve for x
    x = 919,603,373,486,446.38/31,103,808.40
  6. Step 6: Final answer
    x = 29,565,619.80

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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.