Home / 30,161,398.71-41,621,486.81-16,410,417.51

Finding the Fourth Proportional to 30,161,398.71, 41,621,486.81 and 16,410,417.51

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Solution

The fourth proportional to 30,161,398.71, 41,621,486.81 and 16,410,417.51 is: 22,645,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161,398.71 : 41,621,486.81 = 16,410,417.51 : x
  2. Step 2: Convert to fraction form
    30,161,398.71/41,621,486.81 = 16,410,417.51/x
  3. Step 3: Cross multiply
    30,161,398.71x = 41,621,486.81 × 16,410,417.51
  4. Step 4: Simplify right side
    30,161,398.71x = 683,025,975,857,006
  5. Step 5: Solve for x
    x = 683,025,975,857,006/30,161,398.71
  6. Step 6: Final answer
    x = 22,645,699.64

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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.