Home / 30,783,678.80-42,481,973.72-16,846,244.90

Finding the Fourth Proportional to 30,783,678.80, 42,481,973.72 and 16,846,244.90

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Solution

The fourth proportional to 30,783,678.80, 42,481,973.72 and 16,846,244.90 is: 23,248,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783,678.80 : 42,481,973.72 = 16,846,244.90 : x
  2. Step 2: Convert to fraction form
    30,783,678.80/42,481,973.72 = 16,846,244.90/x
  3. Step 3: Cross multiply
    30,783,678.80x = 42,481,973.72 × 16,846,244.90
  4. Step 4: Simplify right side
    30,783,678.80x = 715,661,733,122,484
  5. Step 5: Solve for x
    x = 715,661,733,122,484/30,783,678.80
  6. Step 6: Final answer
    x = 23,248,089.93

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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.