Home / 7,868,403.71-10,859,431.88-4,431,316.67

Finding the Fourth Proportional to 7,868,403.71, 10,859,431.88 and 4,431,316.67

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Solution

The fourth proportional to 7,868,403.71, 10,859,431.88 and 4,431,316.67 is: 6,115,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868,403.71 : 10,859,431.88 = 4,431,316.67 : x
  2. Step 2: Convert to fraction form
    7,868,403.71/10,859,431.88 = 4,431,316.67/x
  3. Step 3: Cross multiply
    7,868,403.71x = 10,859,431.88 × 4,431,316.67
  4. Step 4: Simplify right side
    7,868,403.71x = 48,121,581,516,573.45
  5. Step 5: Solve for x
    x = 48,121,581,516,573.45/7,868,403.71
  6. Step 6: Final answer
    x = 6,115,799.76

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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.