Home / 8,758,282.64-12,086,315.88-4,890,871.76

Finding the Fourth Proportional to 8,758,282.64, 12,086,315.88 and 4,890,871.76

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Solution

The fourth proportional to 8,758,282.64, 12,086,315.88 and 4,890,871.76 is: 6,749,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758,282.64 : 12,086,315.88 = 4,890,871.76 : x
  2. Step 2: Convert to fraction form
    8,758,282.64/12,086,315.88 = 4,890,871.76/x
  3. Step 3: Cross multiply
    8,758,282.64x = 12,086,315.88 × 4,890,871.76
  4. Step 4: Simplify right side
    8,758,282.64x = 59,112,621,019,931.55
  5. Step 5: Solve for x
    x = 59,112,621,019,931.55/8,758,282.64
  6. Step 6: Final answer
    x = 6,749,339.28

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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.