Home / 9,919,653.12-14,865,621.60-5,360,873.76

Finding the Fourth Proportional to 9,919,653.12, 14,865,621.60 and 5,360,873.76

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Solution

The fourth proportional to 9,919,653.12, 14,865,621.60 and 5,360,873.76 is: 8,033,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,653.12 : 14,865,621.60 = 5,360,873.76 : x
  2. Step 2: Convert to fraction form
    9,919,653.12/14,865,621.60 = 5,360,873.76/x
  3. Step 3: Cross multiply
    9,919,653.12x = 14,865,621.60 × 5,360,873.76
  4. Step 4: Simplify right side
    9,919,653.12x = 79,692,720,761,529.20
  5. Step 5: Solve for x
    x = 79,692,720,761,529.20/9,919,653.12
  6. Step 6: Final answer
    x = 8,033,821.32

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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.