Home / 18,621,445.19-25,697,594.38-10,362,039.53

Finding the Fourth Proportional to 18,621,445.19, 25,697,594.38 and 10,362,039.53

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Solution

The fourth proportional to 18,621,445.19, 25,697,594.38 and 10,362,039.53 is: 14,299,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,445.19 : 25,697,594.38 = 10,362,039.53 : x
  2. Step 2: Convert to fraction form
    18,621,445.19/25,697,594.38 = 10,362,039.53/x
  3. Step 3: Cross multiply
    18,621,445.19x = 25,697,594.38 × 10,362,039.53
  4. Step 4: Simplify right side
    18,621,445.19x = 266,279,488,637,072.78
  5. Step 5: Solve for x
    x = 266,279,488,637,072.78/18,621,445.19
  6. Step 6: Final answer
    x = 14,299,614.55

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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.