Home / 7,720,575.72-10,659,916.26-5,148,321

Finding the Fourth Proportional to 7,720,575.72, 10,659,916.26 and 5,148,321

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Solution

The fourth proportional to 7,720,575.72, 10,659,916.26 and 5,148,321 is: 7,108,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,575.72 : 10,659,916.26 = 5,148,321 : x
  2. Step 2: Convert to fraction form
    7,720,575.72/10,659,916.26 = 5,148,321/x
  3. Step 3: Cross multiply
    7,720,575.72x = 10,659,916.26 × 5,148,321
  4. Step 4: Simplify right side
    7,720,575.72x = 54,880,670,739,599.46
  5. Step 5: Solve for x
    x = 54,880,670,739,599.46/7,720,575.72
  6. Step 6: Final answer
    x = 7,108,365.07

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1.5x scale

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.