Home / 28,563,293.88-39,417,202.80-15,510,436.56

Finding the Fourth Proportional to 28,563,293.88, 39,417,202.80 and 15,510,436.56

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Solution

The fourth proportional to 28,563,293.88, 39,417,202.80 and 15,510,436.56 is: 21,404,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563,293.88 : 39,417,202.80 = 15,510,436.56 : x
  2. Step 2: Convert to fraction form
    28,563,293.88/39,417,202.80 = 15,510,436.56/x
  3. Step 3: Cross multiply
    28,563,293.88x = 39,417,202.80 × 15,510,436.56
  4. Step 4: Simplify right side
    28,563,293.88x = 611,378,023,402,054.38
  5. Step 5: Solve for x
    x = 611,378,023,402,054.38/28,563,293.88
  6. Step 6: Final answer
    x = 21,404,324.93

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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.