Home / 13,143,853.80-19,715,780.70-3,688,237.80

Finding the Fourth Proportional to 13,143,853.80, 19,715,780.70 and 3,688,237.80

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Solution

The fourth proportional to 13,143,853.80, 19,715,780.70 and 3,688,237.80 is: 5,532,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143,853.80 : 19,715,780.70 = 3,688,237.80 : x
  2. Step 2: Convert to fraction form
    13,143,853.80/19,715,780.70 = 3,688,237.80/x
  3. Step 3: Cross multiply
    13,143,853.80x = 19,715,780.70 × 3,688,237.80
  4. Step 4: Simplify right side
    13,143,853.80x = 72,716,487,634,250.45
  5. Step 5: Solve for x
    x = 72,716,487,634,250.45/13,143,853.80
  6. Step 6: Final answer
    x = 5,532,356.70

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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.