Home / 25,372,712.49-35,001,117.12-15,585,362.61

Finding the Fourth Proportional to 25,372,712.49, 35,001,117.12 and 15,585,362.61

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Solution

The fourth proportional to 25,372,712.49, 35,001,117.12 and 15,585,362.61 is: 21,499,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372,712.49 : 35,001,117.12 = 15,585,362.61 : x
  2. Step 2: Convert to fraction form
    25,372,712.49/35,001,117.12 = 15,585,362.61/x
  3. Step 3: Cross multiply
    25,372,712.49x = 35,001,117.12 × 15,585,362.61
  4. Step 4: Simplify right side
    25,372,712.49x = 545,505,102,070,278.81
  5. Step 5: Solve for x
    x = 545,505,102,070,278.81/25,372,712.49
  6. Step 6: Final answer
    x = 21,499,676.17

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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.