Home / 15,702,482.25-21,666,222.30-9,174,849.24

Finding the Fourth Proportional to 15,702,482.25, 21,666,222.30 and 9,174,849.24

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Solution

The fourth proportional to 15,702,482.25, 21,666,222.30 and 9,174,849.24 is: 12,659,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,702,482.25 : 21,666,222.30 = 9,174,849.24 : x
  2. Step 2: Convert to fraction form
    15,702,482.25/21,666,222.30 = 9,174,849.24/x
  3. Step 3: Cross multiply
    15,702,482.25x = 21,666,222.30 × 9,174,849.24
  4. Step 4: Simplify right side
    15,702,482.25x = 198,784,323,202,826.06
  5. Step 5: Solve for x
    x = 198,784,323,202,826.06/15,702,482.25
  6. Step 6: Final answer
    x = 12,659,420.34

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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.