Home / 12,477,315.40-18,715,973.10-8,824,150.60

Finding the Fourth Proportional to 12,477,315.40, 18,715,973.10 and 8,824,150.60

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Solution

The fourth proportional to 12,477,315.40, 18,715,973.10 and 8,824,150.60 is: 13,236,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,315.40 : 18,715,973.10 = 8,824,150.60 : x
  2. Step 2: Convert to fraction form
    12,477,315.40/18,715,973.10 = 8,824,150.60/x
  3. Step 3: Cross multiply
    12,477,315.40x = 18,715,973.10 × 8,824,150.60
  4. Step 4: Simplify right side
    12,477,315.40x = 165,152,565,259,948.88
  5. Step 5: Solve for x
    x = 165,152,565,259,948.88/12,477,315.40
  6. Step 6: Final answer
    x = 13,236,225.90

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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.