Home / 7,920,294.47-10,934,942.87-5,443,779.41

Finding the Fourth Proportional to 7,920,294.47, 10,934,942.87 and 5,443,779.41

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Solution

The fourth proportional to 7,920,294.47, 10,934,942.87 and 5,443,779.41 is: 7,515,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,294.47 : 10,934,942.87 = 5,443,779.41 : x
  2. Step 2: Convert to fraction form
    7,920,294.47/10,934,942.87 = 5,443,779.41/x
  3. Step 3: Cross multiply
    7,920,294.47x = 10,934,942.87 × 5,443,779.41
  4. Step 4: Simplify right side
    7,920,294.47x = 59,527,416,845,232.30
  5. Step 5: Solve for x
    x = 59,527,416,845,232.30/7,920,294.47
  6. Step 6: Final answer
    x = 7,515,808.54

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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.