Home / 14,123,473.35-19,490,314.87-7,928,518.43

Finding the Fourth Proportional to 14,123,473.35, 19,490,314.87 and 7,928,518.43

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Solution

The fourth proportional to 14,123,473.35, 19,490,314.87 and 7,928,518.43 is: 10,941,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,473.35 : 19,490,314.87 = 7,928,518.43 : x
  2. Step 2: Convert to fraction form
    14,123,473.35/19,490,314.87 = 7,928,518.43/x
  3. Step 3: Cross multiply
    14,123,473.35x = 19,490,314.87 × 7,928,518.43
  4. Step 4: Simplify right side
    14,123,473.35x = 154,529,320,653,298.06
  5. Step 5: Solve for x
    x = 154,529,320,653,298.06/14,123,473.35
  6. Step 6: Final answer
    x = 10,941,311.45

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1.5x scale

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.