Home / 14,023,668.08-19,352,270.04-7,912,665.20

Finding the Fourth Proportional to 14,023,668.08, 19,352,270.04 and 7,912,665.20

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Solution

The fourth proportional to 14,023,668.08, 19,352,270.04 and 7,912,665.20 is: 10,919,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023,668.08 : 19,352,270.04 = 7,912,665.20 : x
  2. Step 2: Convert to fraction form
    14,023,668.08/19,352,270.04 = 7,912,665.20/x
  3. Step 3: Cross multiply
    14,023,668.08x = 19,352,270.04 × 7,912,665.20
  4. Step 4: Simplify right side
    14,023,668.08x = 153,128,033,686,510.59
  5. Step 5: Solve for x
    x = 153,128,033,686,510.59/14,023,668.08
  6. Step 6: Final answer
    x = 10,919,256.85

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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.