Home / 7,122,465.02-9,829,035.95-3,859,278.89

Finding the Fourth Proportional to 7,122,465.02, 9,829,035.95 and 3,859,278.89

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Solution

The fourth proportional to 7,122,465.02, 9,829,035.95 and 3,859,278.89 is: 5,325,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,465.02 : 9,829,035.95 = 3,859,278.89 : x
  2. Step 2: Convert to fraction form
    7,122,465.02/9,829,035.95 = 3,859,278.89/x
  3. Step 3: Cross multiply
    7,122,465.02x = 9,829,035.95 × 3,859,278.89
  4. Step 4: Simplify right side
    7,122,465.02x = 37,932,990,882,444.52
  5. Step 5: Solve for x
    x = 37,932,990,882,444.52/7,122,465.02
  6. Step 6: Final answer
    x = 5,325,823.41

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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.