Home / 14,362,819.65-21,542,633.05-5,140,419.71

Finding the Fourth Proportional to 14,362,819.65, 21,542,633.05 and 5,140,419.71

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Solution

The fourth proportional to 14,362,819.65, 21,542,633.05 and 5,140,419.71 is: 7,710,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362,819.65 : 21,542,633.05 = 5,140,419.71 : x
  2. Step 2: Convert to fraction form
    14,362,819.65/21,542,633.05 = 5,140,419.71/x
  3. Step 3: Cross multiply
    14,362,819.65x = 21,542,633.05 × 5,140,419.71
  4. Step 4: Simplify right side
    14,362,819.65x = 110,738,175,602,614.05
  5. Step 5: Solve for x
    x = 110,738,175,602,614.05/14,362,819.65
  6. Step 6: Final answer
    x = 7,710,058.21

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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.