Home / 31,303,240.90-46,954,861.35-19,210,005.70

Finding the Fourth Proportional to 31,303,240.90, 46,954,861.35 and 19,210,005.70

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Solution

The fourth proportional to 31,303,240.90, 46,954,861.35 and 19,210,005.70 is: 28,815,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303,240.90 : 46,954,861.35 = 19,210,005.70 : x
  2. Step 2: Convert to fraction form
    31,303,240.90/46,954,861.35 = 19,210,005.70/x
  3. Step 3: Cross multiply
    31,303,240.90x = 46,954,861.35 × 19,210,005.70
  4. Step 4: Simplify right side
    31,303,240.90x = 902,003,154,176,209.75
  5. Step 5: Solve for x
    x = 902,003,154,176,209.75/31,303,240.90
  6. Step 6: Final answer
    x = 28,815,008.55

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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.