Home / 13,896,693.68-19,177,439.10-7,702,140.32

Finding the Fourth Proportional to 13,896,693.68, 19,177,439.10 and 7,702,140.32

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Solution

The fourth proportional to 13,896,693.68, 19,177,439.10 and 7,702,140.32 is: 10,628,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896,693.68 : 19,177,439.10 = 7,702,140.32 : x
  2. Step 2: Convert to fraction form
    13,896,693.68/19,177,439.10 = 7,702,140.32/x
  3. Step 3: Cross multiply
    13,896,693.68x = 19,177,439.10 × 7,702,140.32
  4. Step 4: Simplify right side
    13,896,693.68x = 147,707,326,926,454.53
  5. Step 5: Solve for x
    x = 147,707,326,926,454.53/13,896,693.68
  6. Step 6: Final answer
    x = 10,628,954.65

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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.