Home / 13,281,756.41-19,877,636.83-8,167,425.63

Finding the Fourth Proportional to 13,281,756.41, 19,877,636.83 and 8,167,425.63

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Solution

The fourth proportional to 13,281,756.41, 19,877,636.83 and 8,167,425.63 is: 12,223,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281,756.41 : 19,877,636.83 = 8,167,425.63 : x
  2. Step 2: Convert to fraction form
    13,281,756.41/19,877,636.83 = 8,167,425.63/x
  3. Step 3: Cross multiply
    13,281,756.41x = 19,877,636.83 × 8,167,425.63
  4. Step 4: Simplify right side
    13,281,756.41x = 162,349,120,509,173.94
  5. Step 5: Solve for x
    x = 162,349,120,509,173.94/13,281,756.41
  6. Step 6: Final answer
    x = 12,223,467.70

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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.