Home / 25,708,678.08-35,479,084.48-15,393,429.76

Finding the Fourth Proportional to 25,708,678.08, 35,479,084.48 and 15,393,429.76

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Solution

The fourth proportional to 25,708,678.08, 35,479,084.48 and 15,393,429.76 is: 21,243,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708,678.08 : 35,479,084.48 = 15,393,429.76 : x
  2. Step 2: Convert to fraction form
    25,708,678.08/35,479,084.48 = 15,393,429.76/x
  3. Step 3: Cross multiply
    25,708,678.08x = 35,479,084.48 × 15,393,429.76
  4. Step 4: Simplify right side
    25,708,678.08x = 546,144,794,891,986.06
  5. Step 5: Solve for x
    x = 546,144,794,891,986.06/25,708,678.08
  6. Step 6: Final answer
    x = 21,243,596.94

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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.