Home / 7,768,315.72-10,720,913.93-4,284,335.93

Finding the Fourth Proportional to 7,768,315.72, 10,720,913.93 and 4,284,335.93

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Solution

The fourth proportional to 7,768,315.72, 10,720,913.93 and 4,284,335.93 is: 5,912,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,315.72 : 10,720,913.93 = 4,284,335.93 : x
  2. Step 2: Convert to fraction form
    7,768,315.72/10,720,913.93 = 4,284,335.93/x
  3. Step 3: Cross multiply
    7,768,315.72x = 10,720,913.93 × 4,284,335.93
  4. Step 4: Simplify right side
    7,768,315.72x = 45,931,996,677,710.26
  5. Step 5: Solve for x
    x = 45,931,996,677,710.26/7,768,315.72
  6. Step 6: Final answer
    x = 5,912,735.57

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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.