Home / 30,562,800.90-42,176,429.37-16,811,463.30

Finding the Fourth Proportional to 30,562,800.90, 42,176,429.37 and 16,811,463.30

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Solution

The fourth proportional to 30,562,800.90, 42,176,429.37 and 16,811,463.30 is: 23,199,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562,800.90 : 42,176,429.37 = 16,811,463.30 : x
  2. Step 2: Convert to fraction form
    30,562,800.90/42,176,429.37 = 16,811,463.30/x
  3. Step 3: Cross multiply
    30,562,800.90x = 42,176,429.37 × 16,811,463.30
  4. Step 4: Simplify right side
    30,562,800.90x = 709,047,494,478,797.12
  5. Step 5: Solve for x
    x = 709,047,494,478,797.12/30,562,800.90
  6. Step 6: Final answer
    x = 23,199,689.61

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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.