Home / 7,788,662.34-10,803,346.04-7,581,509.70

Finding the Fourth Proportional to 7,788,662.34, 10,803,346.04 and 7,581,509.70

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Solution

The fourth proportional to 7,788,662.34, 10,803,346.04 and 7,581,509.70 is: 10,516,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,662.34 : 10,803,346.04 = 7,581,509.70 : x
  2. Step 2: Convert to fraction form
    7,788,662.34/10,803,346.04 = 7,581,509.70/x
  3. Step 3: Cross multiply
    7,788,662.34x = 10,803,346.04 × 7,581,509.70
  4. Step 4: Simplify right side
    7,788,662.34x = 81,905,672,756,809.05
  5. Step 5: Solve for x
    x = 81,905,672,756,809.05/7,788,662.34
  6. Step 6: Final answer
    x = 10,516,012.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.