Home / 19,124,456.78-26,390,980.10-10,422,442.10

Finding the Fourth Proportional to 19,124,456.78, 26,390,980.10 and 10,422,442.10

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Solution

The fourth proportional to 19,124,456.78, 26,390,980.10 and 10,422,442.10 is: 14,382,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124,456.78 : 26,390,980.10 = 10,422,442.10 : x
  2. Step 2: Convert to fraction form
    19,124,456.78/26,390,980.10 = 10,422,442.10/x
  3. Step 3: Cross multiply
    19,124,456.78x = 26,390,980.10 × 10,422,442.10
  4. Step 4: Simplify right side
    19,124,456.78x = 275,058,462,054,502.22
  5. Step 5: Solve for x
    x = 275,058,462,054,502.22/19,124,456.78
  6. Step 6: Final answer
    x = 14,382,550.32

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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.