Home / 31,211,998.40-46,815,664.80-13,011,492.80

Finding the Fourth Proportional to 31,211,998.40, 46,815,664.80 and 13,011,492.80

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Solution

The fourth proportional to 31,211,998.40, 46,815,664.80 and 13,011,492.80 is: 19,516,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211,998.40 : 46,815,664.80 = 13,011,492.80 : x
  2. Step 2: Convert to fraction form
    31,211,998.40/46,815,664.80 = 13,011,492.80/x
  3. Step 3: Cross multiply
    31,211,998.40x = 46,815,664.80 × 13,011,492.80
  4. Step 4: Simplify right side
    31,211,998.40x = 609,141,685,472,413.38
  5. Step 5: Solve for x
    x = 609,141,685,472,413.38/31,211,998.40
  6. Step 6: Final answer
    x = 19,516,266.71

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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.