Home / 7,745,354.75-10,688,374.58-4,213,034.46

Finding the Fourth Proportional to 7,745,354.75, 10,688,374.58 and 4,213,034.46

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Solution

The fourth proportional to 7,745,354.75, 10,688,374.58 and 4,213,034.46 is: 5,813,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745,354.75 : 10,688,374.58 = 4,213,034.46 : x
  2. Step 2: Convert to fraction form
    7,745,354.75/10,688,374.58 = 4,213,034.46/x
  3. Step 3: Cross multiply
    7,745,354.75x = 10,688,374.58 × 4,213,034.46
  4. Step 4: Simplify right side
    7,745,354.75x = 45,030,490,405,862.85
  5. Step 5: Solve for x
    x = 45,030,490,405,862.85/7,745,354.75
  6. Step 6: Final answer
    x = 5,813,870.62

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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.