Home / 19,556,478.92-26,985,752.10-10,855,018.28

Finding the Fourth Proportional to 19,556,478.92, 26,985,752.10 and 10,855,018.28

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Solution

The fourth proportional to 19,556,478.92, 26,985,752.10 and 10,855,018.28 is: 14,978,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556,478.92 : 26,985,752.10 = 10,855,018.28 : x
  2. Step 2: Convert to fraction form
    19,556,478.92/26,985,752.10 = 10,855,018.28/x
  3. Step 3: Cross multiply
    19,556,478.92x = 26,985,752.10 × 10,855,018.28
  4. Step 4: Simplify right side
    19,556,478.92x = 292,930,832,345,048.38
  5. Step 5: Solve for x
    x = 292,930,832,345,048.38/19,556,478.92
  6. Step 6: Final answer
    x = 14,978,710.31

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1.5x scale

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.