Home / 43,747,390.60-65,630,417.10-13,458,315.40

Finding the Fourth Proportional to 43,747,390.60, 65,630,417.10 and 13,458,315.40

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Solution

The fourth proportional to 43,747,390.60, 65,630,417.10 and 13,458,315.40 is: 20,190,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,747,390.60 : 65,630,417.10 = 13,458,315.40 : x
  2. Step 2: Convert to fraction form
    43,747,390.60/65,630,417.10 = 13,458,315.40/x
  3. Step 3: Cross multiply
    43,747,390.60x = 65,630,417.10 × 13,458,315.40
  4. Step 4: Simplify right side
    43,747,390.60x = 883,274,853,165,353.38
  5. Step 5: Solve for x
    x = 883,274,853,165,353.38/43,747,390.60
  6. Step 6: Final answer
    x = 20,190,343.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.