Home / 14,123,473.60-19,490,315.22-7,928,518.68

Finding the Fourth Proportional to 14,123,473.60, 19,490,315.22 and 7,928,518.68

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Solution

The fourth proportional to 14,123,473.60, 19,490,315.22 and 7,928,518.68 is: 10,941,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,473.60 : 19,490,315.22 = 7,928,518.68 : x
  2. Step 2: Convert to fraction form
    14,123,473.60/19,490,315.22 = 7,928,518.68/x
  3. Step 3: Cross multiply
    14,123,473.60x = 19,490,315.22 × 7,928,518.68
  4. Step 4: Simplify right side
    14,123,473.60x = 154,529,328,300,858.28
  5. Step 5: Solve for x
    x = 154,529,328,300,858.28/14,123,473.60
  6. Step 6: Final answer
    x = 10,941,311.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.