Home / 7,106,340.80-9,806,779.65-3,843,155.46

Finding the Fourth Proportional to 7,106,340.80, 9,806,779.65 and 3,843,155.46

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Solution

The fourth proportional to 7,106,340.80, 9,806,779.65 and 3,843,155.46 is: 5,303,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,340.80 : 9,806,779.65 = 3,843,155.46 : x
  2. Step 2: Convert to fraction form
    7,106,340.80/9,806,779.65 = 3,843,155.46/x
  3. Step 3: Cross multiply
    7,106,340.80x = 9,806,779.65 × 3,843,155.46
  4. Step 4: Simplify right side
    7,106,340.80x = 37,688,978,808,101.65
  5. Step 5: Solve for x
    x = 37,688,978,808,101.65/7,106,340.80
  6. Step 6: Final answer
    x = 5,303,570.41

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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.