Home / 30,746,939.37-42,430,861.86-16,808,462.91

Finding the Fourth Proportional to 30,746,939.37, 42,430,861.86 and 16,808,462.91

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Solution

The fourth proportional to 30,746,939.37, 42,430,861.86 and 16,808,462.91 is: 23,195,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746,939.37 : 42,430,861.86 = 16,808,462.91 : x
  2. Step 2: Convert to fraction form
    30,746,939.37/42,430,861.86 = 16,808,462.91/x
  3. Step 3: Cross multiply
    30,746,939.37x = 42,430,861.86 × 16,808,462.91
  4. Step 4: Simplify right side
    30,746,939.37x = 713,197,567,590,996.25
  5. Step 5: Solve for x
    x = 713,197,567,590,996.25/30,746,939.37
  6. Step 6: Final answer
    x = 23,195,725.56

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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.