Home / 12,402,485.55-18,603,728.33-8,983,548.45

Finding the Fourth Proportional to 12,402,485.55, 18,603,728.33 and 8,983,548.45

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Solution

The fourth proportional to 12,402,485.55, 18,603,728.33 and 8,983,548.45 is: 13,475,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,485.55 : 18,603,728.33 = 8,983,548.45 : x
  2. Step 2: Convert to fraction form
    12,402,485.55/18,603,728.33 = 8,983,548.45/x
  3. Step 3: Cross multiply
    12,402,485.55x = 18,603,728.33 × 8,983,548.45
  4. Step 4: Simplify right side
    12,402,485.55x = 167,127,494,758,274.81
  5. Step 5: Solve for x
    x = 167,127,494,758,274.81/12,402,485.55
  6. Step 6: Final answer
    x = 13,475,322.68

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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.