Home / 52,477,421.81-78,716,832.57-18,399,762.77

Finding the Fourth Proportional to 52,477,421.81, 78,716,832.57 and 18,399,762.77

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Solution

The fourth proportional to 52,477,421.81, 78,716,832.57 and 18,399,762.77 is: 27,599,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477,421.81 : 78,716,832.57 = 18,399,762.77 : x
  2. Step 2: Convert to fraction form
    52,477,421.81/78,716,832.57 = 18,399,762.77/x
  3. Step 3: Cross multiply
    52,477,421.81x = 78,716,832.57 × 18,399,762.77
  4. Step 4: Simplify right side
    52,477,421.81x = 1,448,371,045,293,809.25
  5. Step 5: Solve for x
    x = 1,448,371,045,293,809.25/52,477,421.81
  6. Step 6: Final answer
    x = 27,599,889.54

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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.