Home / 13,666,947.64-18,859,440.54-7,554,895

Finding the Fourth Proportional to 13,666,947.64, 18,859,440.54 and 7,554,895

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Solution

The fourth proportional to 13,666,947.64, 18,859,440.54 and 7,554,895 is: 10,425,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,947.64 : 18,859,440.54 = 7,554,895 : x
  2. Step 2: Convert to fraction form
    13,666,947.64/18,859,440.54 = 7,554,895/x
  3. Step 3: Cross multiply
    13,666,947.64x = 18,859,440.54 × 7,554,895
  4. Step 4: Simplify right side
    13,666,947.64x = 142,481,093,038,443.28
  5. Step 5: Solve for x
    x = 142,481,093,038,443.28/13,666,947.64
  6. Step 6: Final answer
    x = 10,425,231.50

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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.