Home / 20,498,459.60-30,733,692.60-9,720,923.60

Finding the Fourth Proportional to 20,498,459.60, 30,733,692.60 and 9,720,923.60

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Solution

The fourth proportional to 20,498,459.60, 30,733,692.60 and 9,720,923.60 is: 14,574,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,459.60 : 30,733,692.60 = 9,720,923.60 : x
  2. Step 2: Convert to fraction form
    20,498,459.60/30,733,692.60 = 9,720,923.60/x
  3. Step 3: Cross multiply
    20,498,459.60x = 30,733,692.60 × 9,720,923.60
  4. Step 4: Simplify right side
    20,498,459.60x = 298,759,877,710,485.38
  5. Step 5: Solve for x
    x = 298,759,877,710,485.38/20,498,459.60
  6. Step 6: Final answer
    x = 14,574,747.74

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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.