Home / 49,409,856.60-74,061,640.80-18,692,566.80

Finding the Fourth Proportional to 49,409,856.60, 74,061,640.80 and 18,692,566.80

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Solution

The fourth proportional to 49,409,856.60, 74,061,640.80 and 18,692,566.80 is: 28,018,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409,856.60 : 74,061,640.80 = 18,692,566.80 : x
  2. Step 2: Convert to fraction form
    49,409,856.60/74,061,640.80 = 18,692,566.80/x
  3. Step 3: Cross multiply
    49,409,856.60x = 74,061,640.80 × 18,692,566.80
  4. Step 4: Simplify right side
    49,409,856.60x = 1,384,402,167,971,605.50
  5. Step 5: Solve for x
    x = 1,384,402,167,971,605.50/49,409,856.60
  6. Step 6: Final answer
    x = 28,018,744.91

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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.