Home / 13,269,626.28-18,312,673.59-7,468,783.74

Finding the Fourth Proportional to 13,269,626.28, 18,312,673.59 and 7,468,783.74

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Solution

The fourth proportional to 13,269,626.28, 18,312,673.59 and 7,468,783.74 is: 10,307,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,626.28 : 18,312,673.59 = 7,468,783.74 : x
  2. Step 2: Convert to fraction form
    13,269,626.28/18,312,673.59 = 7,468,783.74/x
  3. Step 3: Cross multiply
    13,269,626.28x = 18,312,673.59 × 7,468,783.74
  4. Step 4: Simplify right side
    13,269,626.28x = 136,773,398,744,919.42
  5. Step 5: Solve for x
    x = 136,773,398,744,919.42/13,269,626.28
  6. Step 6: Final answer
    x = 10,307,253.26

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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.