Home / 15,943,086.40-23,918,128.80-7,859,934.40

Finding the Fourth Proportional to 15,943,086.40, 23,918,128.80 and 7,859,934.40

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Solution

The fourth proportional to 15,943,086.40, 23,918,128.80 and 7,859,934.40 is: 11,791,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943,086.40 : 23,918,128.80 = 7,859,934.40 : x
  2. Step 2: Convert to fraction form
    15,943,086.40/23,918,128.80 = 7,859,934.40/x
  3. Step 3: Cross multiply
    15,943,086.40x = 23,918,128.80 × 7,859,934.40
  4. Step 4: Simplify right side
    15,943,086.40x = 187,994,923,338,750.75
  5. Step 5: Solve for x
    x = 187,994,923,338,750.75/15,943,086.40
  6. Step 6: Final answer
    x = 11,791,626.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.