Home / 7,620,878.85-10,516,822.74-4,136,217.45

Finding the Fourth Proportional to 7,620,878.85, 10,516,822.74 and 4,136,217.45

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Solution

The fourth proportional to 7,620,878.85, 10,516,822.74 and 4,136,217.45 is: 5,707,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,878.85 : 10,516,822.74 = 4,136,217.45 : x
  2. Step 2: Convert to fraction form
    7,620,878.85/10,516,822.74 = 4,136,217.45/x
  3. Step 3: Cross multiply
    7,620,878.85x = 10,516,822.74 × 4,136,217.45
  4. Step 4: Simplify right side
    7,620,878.85x = 43,499,865,735,744.81
  5. Step 5: Solve for x
    x = 43,499,865,735,744.81/7,620,878.85
  6. Step 6: Final answer
    x = 5,707,985.47

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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.