Home / 13,287,595.74-18,336,936.36-7,486,461.60

Finding the Fourth Proportional to 13,287,595.74, 18,336,936.36 and 7,486,461.60

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Solution

The fourth proportional to 13,287,595.74, 18,336,936.36 and 7,486,461.60 is: 10,331,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,595.74 : 18,336,936.36 = 7,486,461.60 : x
  2. Step 2: Convert to fraction form
    13,287,595.74/18,336,936.36 = 7,486,461.60/x
  3. Step 3: Cross multiply
    13,287,595.74x = 18,336,936.36 × 7,486,461.60
  4. Step 4: Simplify right side
    13,287,595.74x = 137,278,769,920,783.77
  5. Step 5: Solve for x
    x = 137,278,769,920,783.77/13,287,595.74
  6. Step 6: Final answer
    x = 10,331,347.57

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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.