Home / 13,118,150.66-18,103,000.57-7,316,927.82

Finding the Fourth Proportional to 13,118,150.66, 18,103,000.57 and 7,316,927.82

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Solution

The fourth proportional to 13,118,150.66, 18,103,000.57 and 7,316,927.82 is: 10,097,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,150.66 : 18,103,000.57 = 7,316,927.82 : x
  2. Step 2: Convert to fraction form
    13,118,150.66/18,103,000.57 = 7,316,927.82/x
  3. Step 3: Cross multiply
    13,118,150.66x = 18,103,000.57 × 7,316,927.82
  4. Step 4: Simplify right side
    13,118,150.66x = 132,458,348,477,816.53
  5. Step 5: Solve for x
    x = 132,458,348,477,816.53/13,118,150.66
  6. Step 6: Final answer
    x = 10,097,333.99

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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.