Home / 7,620,880.11-10,516,824.47-4,136,218.67

Finding the Fourth Proportional to 7,620,880.11, 10,516,824.47 and 4,136,218.67

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Solution

The fourth proportional to 7,620,880.11, 10,516,824.47 and 4,136,218.67 is: 5,707,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,880.11 : 10,516,824.47 = 4,136,218.67 : x
  2. Step 2: Convert to fraction form
    7,620,880.11/10,516,824.47 = 4,136,218.67/x
  3. Step 3: Cross multiply
    7,620,880.11x = 10,516,824.47 × 4,136,218.67
  4. Step 4: Simplify right side
    7,620,880.11x = 43,499,885,648,661.64
  5. Step 5: Solve for x
    x = 43,499,885,648,661.64/7,620,880.11
  6. Step 6: Final answer
    x = 5,707,987.14

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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.