Home / 10,061,729.12-13,886,440.88-5,712,223.52

Finding the Fourth Proportional to 10,061,729.12, 13,886,440.88 and 5,712,223.52

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Solution

The fourth proportional to 10,061,729.12, 13,886,440.88 and 5,712,223.52 is: 7,883,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061,729.12 : 13,886,440.88 = 5,712,223.52 : x
  2. Step 2: Convert to fraction form
    10,061,729.12/13,886,440.88 = 5,712,223.52/x
  3. Step 3: Cross multiply
    10,061,729.12x = 13,886,440.88 × 5,712,223.52
  4. Step 4: Simplify right side
    10,061,729.12x = 79,322,454,203,825.50
  5. Step 5: Solve for x
    x = 79,322,454,203,825.50/10,061,729.12
  6. Step 6: Final answer
    x = 7,883,580.77

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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.