Home / 7,817,403.76-10,791,030-7,601,678.08

Finding the Fourth Proportional to 7,817,403.76, 10,791,030 and 7,601,678.08

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Solution

The fourth proportional to 7,817,403.76, 10,791,030 and 7,601,678.08 is: 10,493,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817,403.76 : 10,791,030 = 7,601,678.08 : x
  2. Step 2: Convert to fraction form
    7,817,403.76/10,791,030 = 7,601,678.08/x
  3. Step 3: Cross multiply
    7,817,403.76x = 10,791,030 × 7,601,678.08
  4. Step 4: Simplify right side
    7,817,403.76x = 82,029,936,211,622.41
  5. Step 5: Solve for x
    x = 82,029,936,211,622.41/7,817,403.76
  6. Step 6: Final answer
    x = 10,493,245.42

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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.