Home / 7,211,471.79-10,818,061.98-4,516,019.79

Finding the Fourth Proportional to 7,211,471.79, 10,818,061.98 and 4,516,019.79

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Solution

The fourth proportional to 7,211,471.79, 10,818,061.98 and 4,516,019.79 is: 6,774,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,471.79 : 10,818,061.98 = 4,516,019.79 : x
  2. Step 2: Convert to fraction form
    7,211,471.79/10,818,061.98 = 4,516,019.79/x
  3. Step 3: Cross multiply
    7,211,471.79x = 10,818,061.98 × 4,516,019.79
  4. Step 4: Simplify right side
    7,211,471.79x = 48,854,581,991,126.59
  5. Step 5: Solve for x
    x = 48,854,581,991,126.59/7,211,471.79
  6. Step 6: Final answer
    x = 6,774,564.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.