Home / 14,015,852.70-21,023,779.05-3,780,692.70

Finding the Fourth Proportional to 14,015,852.70, 21,023,779.05 and 3,780,692.70

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Solution

The fourth proportional to 14,015,852.70, 21,023,779.05 and 3,780,692.70 is: 5,671,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,852.70 : 21,023,779.05 = 3,780,692.70 : x
  2. Step 2: Convert to fraction form
    14,015,852.70/21,023,779.05 = 3,780,692.70/x
  3. Step 3: Cross multiply
    14,015,852.70x = 21,023,779.05 × 3,780,692.70
  4. Step 4: Simplify right side
    14,015,852.70x = 79,484,447,980,747.94
  5. Step 5: Solve for x
    x = 79,484,447,980,747.94/14,015,852.70
  6. Step 6: Final answer
    x = 5,671,039.05

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Similar ratio
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1.5x scale

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.