Home / 12,302,950.60-18,454,425.90-8,712,771.40

Finding the Fourth Proportional to 12,302,950.60, 18,454,425.90 and 8,712,771.40

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Solution

The fourth proportional to 12,302,950.60, 18,454,425.90 and 8,712,771.40 is: 13,069,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,950.60 : 18,454,425.90 = 8,712,771.40 : x
  2. Step 2: Convert to fraction form
    12,302,950.60/18,454,425.90 = 8,712,771.40/x
  3. Step 3: Cross multiply
    12,302,950.60x = 18,454,425.90 × 8,712,771.40
  4. Step 4: Simplify right side
    12,302,950.60x = 160,789,194,184,939.25
  5. Step 5: Solve for x
    x = 160,789,194,184,939.25/12,302,950.60
  6. Step 6: Final answer
    x = 13,069,157.10

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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.