Home / 28,991,471.40-43,492,455.90-14,578,266.60

Finding the Fourth Proportional to 28,991,471.40, 43,492,455.90 and 14,578,266.60

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Solution

The fourth proportional to 28,991,471.40, 43,492,455.90 and 14,578,266.60 is: 21,870,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991,471.40 : 43,492,455.90 = 14,578,266.60 : x
  2. Step 2: Convert to fraction form
    28,991,471.40/43,492,455.90 = 14,578,266.60/x
  3. Step 3: Cross multiply
    28,991,471.40x = 43,492,455.90 × 14,578,266.60
  4. Step 4: Simplify right side
    28,991,471.40x = 634,044,617,198,942.88
  5. Step 5: Solve for x
    x = 634,044,617,198,942.88/28,991,471.40
  6. Step 6: Final answer
    x = 21,870,039.24

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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.