Home / 30,614,642.60-42,248,209.08-16,863,606.72

Finding the Fourth Proportional to 30,614,642.60, 42,248,209.08 and 16,863,606.72

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Solution

The fourth proportional to 30,614,642.60, 42,248,209.08 and 16,863,606.72 is: 23,271,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,642.60 : 42,248,209.08 = 16,863,606.72 : x
  2. Step 2: Convert to fraction form
    30,614,642.60/42,248,209.08 = 16,863,606.72/x
  3. Step 3: Cross multiply
    30,614,642.60x = 42,248,209.08 × 16,863,606.72
  4. Step 4: Simplify right side
    30,614,642.60x = 712,457,182,549,452.88
  5. Step 5: Solve for x
    x = 712,457,182,549,452.88/30,614,642.60
  6. Step 6: Final answer
    x = 23,271,778.54

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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.