Home / 13,167,152.34-18,170,696.91-7,366,030.97

Finding the Fourth Proportional to 13,167,152.34, 18,170,696.91 and 7,366,030.97

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Solution

The fourth proportional to 13,167,152.34, 18,170,696.91 and 7,366,030.97 is: 10,165,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,152.34 : 18,170,696.91 = 7,366,030.97 : x
  2. Step 2: Convert to fraction form
    13,167,152.34/18,170,696.91 = 7,366,030.97/x
  3. Step 3: Cross multiply
    13,167,152.34x = 18,170,696.91 × 7,366,030.97
  4. Step 4: Simplify right side
    13,167,152.34x = 133,845,916,094,689.81
  5. Step 5: Solve for x
    x = 133,845,916,094,689.81/13,167,152.34
  6. Step 6: Final answer
    x = 10,165,137.66

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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.