Home / 30,828,165.04-42,542,861.40-16,890,014.58

Finding the Fourth Proportional to 30,828,165.04, 42,542,861.40 and 16,890,014.58

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Solution

The fourth proportional to 30,828,165.04, 42,542,861.40 and 16,890,014.58 is: 23,308,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,828,165.04 : 42,542,861.40 = 16,890,014.58 : x
  2. Step 2: Convert to fraction form
    30,828,165.04/42,542,861.40 = 16,890,014.58/x
  3. Step 3: Cross multiply
    30,828,165.04x = 42,542,861.40 × 16,890,014.58
  4. Step 4: Simplify right side
    30,828,165.04x = 718,549,549,320,919.12
  5. Step 5: Solve for x
    x = 718,549,549,320,919.12/30,828,165.04
  6. Step 6: Final answer
    x = 23,308,216.64

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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.