Home / 15,609,795.17-21,538,947.53-9,804,441.65

Finding the Fourth Proportional to 15,609,795.17, 21,538,947.53 and 9,804,441.65

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Solution

The fourth proportional to 15,609,795.17, 21,538,947.53 and 9,804,441.65 is: 13,528,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609,795.17 : 21,538,947.53 = 9,804,441.65 : x
  2. Step 2: Convert to fraction form
    15,609,795.17/21,538,947.53 = 9,804,441.65/x
  3. Step 3: Cross multiply
    15,609,795.17x = 21,538,947.53 × 9,804,441.65
  4. Step 4: Simplify right side
    15,609,795.17x = 211,177,354,177,112.97
  5. Step 5: Solve for x
    x = 211,177,354,177,112.97/15,609,795.17
  6. Step 6: Final answer
    x = 13,528,515.39

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1.5x scale

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.