Home / 19,415,953.20-29,123,929.80-18,219,226.80

Finding the Fourth Proportional to 19,415,953.20, 29,123,929.80 and 18,219,226.80

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Solution

The fourth proportional to 19,415,953.20, 29,123,929.80 and 18,219,226.80 is: 27,328,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,953.20 : 29,123,929.80 = 18,219,226.80 : x
  2. Step 2: Convert to fraction form
    19,415,953.20/29,123,929.80 = 18,219,226.80/x
  3. Step 3: Cross multiply
    19,415,953.20x = 29,123,929.80 × 18,219,226.80
  4. Step 4: Simplify right side
    19,415,953.20x = 530,615,482,333,478.69
  5. Step 5: Solve for x
    x = 530,615,482,333,478.69/19,415,953.20
  6. Step 6: Final answer
    x = 27,328,840.20

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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.