Home / 25,901,601.80-38,852,402.70-13,161,403.40

Finding the Fourth Proportional to 25,901,601.80, 38,852,402.70 and 13,161,403.40

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Solution

The fourth proportional to 25,901,601.80, 38,852,402.70 and 13,161,403.40 is: 19,742,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901,601.80 : 38,852,402.70 = 13,161,403.40 : x
  2. Step 2: Convert to fraction form
    25,901,601.80/38,852,402.70 = 13,161,403.40/x
  3. Step 3: Cross multiply
    25,901,601.80x = 38,852,402.70 × 13,161,403.40
  4. Step 4: Simplify right side
    25,901,601.80x = 511,352,144,993,949.25
  5. Step 5: Solve for x
    x = 511,352,144,993,949.25/25,901,601.80
  6. Step 6: Final answer
    x = 19,742,105.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.