Home / 19,124,456.19-26,390,979.28-10,422,441.51

Finding the Fourth Proportional to 19,124,456.19, 26,390,979.28 and 10,422,441.51

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Solution

The fourth proportional to 19,124,456.19, 26,390,979.28 and 10,422,441.51 is: 14,382,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124,456.19 : 26,390,979.28 = 10,422,441.51 : x
  2. Step 2: Convert to fraction form
    19,124,456.19/26,390,979.28 = 10,422,441.51/x
  3. Step 3: Cross multiply
    19,124,456.19x = 26,390,979.28 × 10,422,441.51
  4. Step 4: Simplify right side
    19,124,456.19x = 275,058,437,792,857.56
  5. Step 5: Solve for x
    x = 275,058,437,792,857.56/19,124,456.19
  6. Step 6: Final answer
    x = 14,382,549.50

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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.