Home / 18,987,568.65-26,202,925-10,285,741.25

Finding the Fourth Proportional to 18,987,568.65, 26,202,925 and 10,285,741.25

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Solution

The fourth proportional to 18,987,568.65, 26,202,925 and 10,285,741.25 is: 14,194,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987,568.65 : 26,202,925 = 10,285,741.25 : x
  2. Step 2: Convert to fraction form
    18,987,568.65/26,202,925 = 10,285,741.25/x
  3. Step 3: Cross multiply
    18,987,568.65x = 26,202,925 × 10,285,741.25
  4. Step 4: Simplify right side
    18,987,568.65x = 269,516,506,543,156.25
  5. Step 5: Solve for x
    x = 269,516,506,543,156.25/18,987,568.65
  6. Step 6: Final answer
    x = 14,194,366.40

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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.