Home / 8,756,818.92-12,085,157.34-4,890,087.42

Finding the Fourth Proportional to 8,756,818.92, 12,085,157.34 and 4,890,087.42

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Solution

The fourth proportional to 8,756,818.92, 12,085,157.34 and 4,890,087.42 is: 6,748,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,818.92 : 12,085,157.34 = 4,890,087.42 : x
  2. Step 2: Convert to fraction form
    8,756,818.92/12,085,157.34 = 4,890,087.42/x
  3. Step 3: Cross multiply
    8,756,818.92x = 12,085,157.34 × 4,890,087.42
  4. Step 4: Simplify right side
    8,756,818.92x = 59,097,475,877,054.66
  5. Step 5: Solve for x
    x = 59,097,475,877,054.66/8,756,818.92
  6. Step 6: Final answer
    x = 6,748,737.92

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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.