Home / 15,326,059.41-21,155,087.05-9,133,048.13

Finding the Fourth Proportional to 15,326,059.41, 21,155,087.05 and 9,133,048.13

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Solution

The fourth proportional to 15,326,059.41, 21,155,087.05 and 9,133,048.13 is: 12,606,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326,059.41 : 21,155,087.05 = 9,133,048.13 : x
  2. Step 2: Convert to fraction form
    15,326,059.41/21,155,087.05 = 9,133,048.13/x
  3. Step 3: Cross multiply
    15,326,059.41x = 21,155,087.05 × 9,133,048.13
  4. Step 4: Simplify right side
    15,326,059.41x = 193,210,428,263,752.44
  5. Step 5: Solve for x
    x = 193,210,428,263,752.44/15,326,059.41
  6. Step 6: Final answer
    x = 12,606,660.53

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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.