Home / 7,661,866.85-10,572,897.95-4,224,107.88

Finding the Fourth Proportional to 7,661,866.85, 10,572,897.95 and 4,224,107.88

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Solution

The fourth proportional to 7,661,866.85, 10,572,897.95 and 4,224,107.88 is: 5,829,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,866.85 : 10,572,897.95 = 4,224,107.88 : x
  2. Step 2: Convert to fraction form
    7,661,866.85/10,572,897.95 = 4,224,107.88/x
  3. Step 3: Cross multiply
    7,661,866.85x = 10,572,897.95 × 4,224,107.88
  4. Step 4: Simplify right side
    7,661,866.85x = 44,661,061,563,511.32
  5. Step 5: Solve for x
    x = 44,661,061,563,511.32/7,661,866.85
  6. Step 6: Final answer
    x = 5,829,005.18

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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.