Home / 6,287,284.80-9,430,927.20-5,915,276.10

Finding the Fourth Proportional to 6,287,284.80, 9,430,927.20 and 5,915,276.10

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Solution

The fourth proportional to 6,287,284.80, 9,430,927.20 and 5,915,276.10 is: 8,872,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287,284.80 : 9,430,927.20 = 5,915,276.10 : x
  2. Step 2: Convert to fraction form
    6,287,284.80/9,430,927.20 = 5,915,276.10/x
  3. Step 3: Cross multiply
    6,287,284.80x = 9,430,927.20 × 5,915,276.10
  4. Step 4: Simplify right side
    6,287,284.80x = 55,786,538,266,999.91
  5. Step 5: Solve for x
    x = 55,786,538,266,999.91/6,287,284.80
  6. Step 6: Final answer
    x = 8,872,914.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.