Home / 8,696,054.86-12,985,522.42-7,101,780.46

Finding the Fourth Proportional to 8,696,054.86, 12,985,522.42 and 7,101,780.46

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Solution

The fourth proportional to 8,696,054.86, 12,985,522.42 and 7,101,780.46 is: 10,604,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,054.86 : 12,985,522.42 = 7,101,780.46 : x
  2. Step 2: Convert to fraction form
    8,696,054.86/12,985,522.42 = 7,101,780.46/x
  3. Step 3: Cross multiply
    8,696,054.86x = 12,985,522.42 × 7,101,780.46
  4. Step 4: Simplify right side
    8,696,054.86x = 92,220,329,349,739
  5. Step 5: Solve for x
    x = 92,220,329,349,739/8,696,054.86
  6. Step 6: Final answer
    x = 10,604,846.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.