Home / 9,925,447.20-13,697,120.16-5,574,539.76

Finding the Fourth Proportional to 9,925,447.20, 13,697,120.16 and 5,574,539.76

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Solution

The fourth proportional to 9,925,447.20, 13,697,120.16 and 5,574,539.76 is: 7,692,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925,447.20 : 13,697,120.16 = 5,574,539.76 : x
  2. Step 2: Convert to fraction form
    9,925,447.20/13,697,120.16 = 5,574,539.76/x
  3. Step 3: Cross multiply
    9,925,447.20x = 13,697,120.16 × 5,574,539.76
  4. Step 4: Simplify right side
    9,925,447.20x = 76,355,140,929,417.56
  5. Step 5: Solve for x
    x = 76,355,140,929,417.56/9,925,447.20
  6. Step 6: Final answer
    x = 7,692,866.57

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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.