Home / 31,159,656.88-46,669,789.32-18,012,966.64

Finding the Fourth Proportional to 31,159,656.88, 46,669,789.32 and 18,012,966.64

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Solution

The fourth proportional to 31,159,656.88, 46,669,789.32 and 18,012,966.64 is: 26,979,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159,656.88 : 46,669,789.32 = 18,012,966.64 : x
  2. Step 2: Convert to fraction form
    31,159,656.88/46,669,789.32 = 18,012,966.64/x
  3. Step 3: Cross multiply
    31,159,656.88x = 46,669,789.32 × 18,012,966.64
  4. Step 4: Simplify right side
    31,159,656.88x = 840,661,358,116,988.38
  5. Step 5: Solve for x
    x = 840,661,358,116,988.38/31,159,656.88
  6. Step 6: Final answer
    x = 26,979,159.67

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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.