Home / 30,619,000.34-42,254,218.21-16,867,964.46

Finding the Fourth Proportional to 30,619,000.34, 42,254,218.21 and 16,867,964.46

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Solution

The fourth proportional to 30,619,000.34, 42,254,218.21 and 16,867,964.46 is: 23,277,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,000.34 : 42,254,218.21 = 16,867,964.46 : x
  2. Step 2: Convert to fraction form
    30,619,000.34/42,254,218.21 = 16,867,964.46/x
  3. Step 3: Cross multiply
    30,619,000.34x = 42,254,218.21 × 16,867,964.46
  4. Step 4: Simplify right side
    30,619,000.34x = 712,742,651,051,364.88
  5. Step 5: Solve for x
    x = 712,742,651,051,364.88/30,619,000.34
  6. Step 6: Final answer
    x = 23,277,789.71

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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.