Home / 30,579,709.46-42,200,006.01-16,828,673.59

Finding the Fourth Proportional to 30,579,709.46, 42,200,006.01 and 16,828,673.59

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Solution

The fourth proportional to 30,579,709.46, 42,200,006.01 and 16,828,673.59 is: 23,223,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,709.46 : 42,200,006.01 = 16,828,673.59 : x
  2. Step 2: Convert to fraction form
    30,579,709.46/42,200,006.01 = 16,828,673.59/x
  3. Step 3: Cross multiply
    30,579,709.46x = 42,200,006.01 × 16,828,673.59
  4. Step 4: Simplify right side
    30,579,709.46x = 710,170,126,390,595.75
  5. Step 5: Solve for x
    x = 710,170,126,390,595.75/30,579,709.46
  6. Step 6: Final answer
    x = 23,223,573.37

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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.