Home / 14,258,673.80-21,388,010.70-4,162,315.40

Finding the Fourth Proportional to 14,258,673.80, 21,388,010.70 and 4,162,315.40

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Solution

The fourth proportional to 14,258,673.80, 21,388,010.70 and 4,162,315.40 is: 6,243,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,673.80 : 21,388,010.70 = 4,162,315.40 : x
  2. Step 2: Convert to fraction form
    14,258,673.80/21,388,010.70 = 4,162,315.40/x
  3. Step 3: Cross multiply
    14,258,673.80x = 21,388,010.70 × 4,162,315.40
  4. Step 4: Simplify right side
    14,258,673.80x = 89,023,646,311,974.78
  5. Step 5: Solve for x
    x = 89,023,646,311,974.78/14,258,673.80
  6. Step 6: Final answer
    x = 6,243,473.10

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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.