Home / 7,065,140.80-9,749,940.96-4,009,406.08

Finding the Fourth Proportional to 7,065,140.80, 9,749,940.96 and 4,009,406.08

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Solution

The fourth proportional to 7,065,140.80, 9,749,940.96 and 4,009,406.08 is: 5,533,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,140.80 : 9,749,940.96 = 4,009,406.08 : x
  2. Step 2: Convert to fraction form
    7,065,140.80/9,749,940.96 = 4,009,406.08/x
  3. Step 3: Cross multiply
    7,065,140.80x = 9,749,940.96 × 4,009,406.08
  4. Step 4: Simplify right side
    7,065,140.80x = 39,091,472,564,665.04
  5. Step 5: Solve for x
    x = 39,091,472,564,665.04/7,065,140.80
  6. Step 6: Final answer
    x = 5,533,006.87

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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.