Home / 15,004,532.94-20,705,985.54-8,478,022.27

Finding the Fourth Proportional to 15,004,532.94, 20,705,985.54 and 8,478,022.27

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Solution

The fourth proportional to 15,004,532.94, 20,705,985.54 and 8,478,022.27 is: 11,699,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004,532.94 : 20,705,985.54 = 8,478,022.27 : x
  2. Step 2: Convert to fraction form
    15,004,532.94/20,705,985.54 = 8,478,022.27/x
  3. Step 3: Cross multiply
    15,004,532.94x = 20,705,985.54 × 8,478,022.27
  4. Step 4: Simplify right side
    15,004,532.94x = 175,545,806,570,444.22
  5. Step 5: Solve for x
    x = 175,545,806,570,444.22/15,004,532.94
  6. Step 6: Final answer
    x = 11,699,518.22

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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.