Home / 7,129,887.30-10,697,980.23-2,878,359.30

Finding the Fourth Proportional to 7,129,887.30, 10,697,980.23 and 2,878,359.30

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Solution

The fourth proportional to 7,129,887.30, 10,697,980.23 and 2,878,359.30 is: 4,318,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,887.30 : 10,697,980.23 = 2,878,359.30 : x
  2. Step 2: Convert to fraction form
    7,129,887.30/10,697,980.23 = 2,878,359.30/x
  3. Step 3: Cross multiply
    7,129,887.30x = 10,697,980.23 × 2,878,359.30
  4. Step 4: Simplify right side
    7,129,887.30x = 30,792,630,886,236.64
  5. Step 5: Solve for x
    x = 30,792,630,886,236.64/7,129,887.30
  6. Step 6: Final answer
    x = 4,318,810.32

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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.