Home / 15,139,255.86-22,709,206.44-5,424,503.49

Finding the Fourth Proportional to 15,139,255.86, 22,709,206.44 and 5,424,503.49

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Solution

The fourth proportional to 15,139,255.86, 22,709,206.44 and 5,424,503.49 is: 8,136,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139,255.86 : 22,709,206.44 = 5,424,503.49 : x
  2. Step 2: Convert to fraction form
    15,139,255.86/22,709,206.44 = 5,424,503.49/x
  3. Step 3: Cross multiply
    15,139,255.86x = 22,709,206.44 × 5,424,503.49
  4. Step 4: Simplify right side
    15,139,255.86x = 123,186,169,588,910.48
  5. Step 5: Solve for x
    x = 123,186,169,588,910.48/15,139,255.86
  6. Step 6: Final answer
    x = 8,136,870.84

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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.