Home / 31,506,622.67-43,478,065.06-17,378,368.94

Finding the Fourth Proportional to 31,506,622.67, 43,478,065.06 and 17,378,368.94

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Solution

The fourth proportional to 31,506,622.67, 43,478,065.06 and 17,378,368.94 is: 23,981,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,622.67 : 43,478,065.06 = 17,378,368.94 : x
  2. Step 2: Convert to fraction form
    31,506,622.67/43,478,065.06 = 17,378,368.94/x
  3. Step 3: Cross multiply
    31,506,622.67x = 43,478,065.06 × 17,378,368.94
  4. Step 4: Simplify right side
    31,506,622.67x = 755,577,855,475,252.38
  5. Step 5: Solve for x
    x = 755,577,855,475,252.38/31,506,622.67
  6. Step 6: Final answer
    x = 23,981,556.62

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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.