Home / 8,788,615.42-12,128,386.26-4,868,431.60

Finding the Fourth Proportional to 8,788,615.42, 12,128,386.26 and 4,868,431.60

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Solution

The fourth proportional to 8,788,615.42, 12,128,386.26 and 4,868,431.60 is: 6,718,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,615.42 : 12,128,386.26 = 4,868,431.60 : x
  2. Step 2: Convert to fraction form
    8,788,615.42/12,128,386.26 = 4,868,431.60/x
  3. Step 3: Cross multiply
    8,788,615.42x = 12,128,386.26 × 4,868,431.60
  4. Step 4: Simplify right side
    8,788,615.42x = 59,046,218,925,189.81
  5. Step 5: Solve for x
    x = 59,046,218,925,189.81/8,788,615.42
  6. Step 6: Final answer
    x = 6,718,489.33

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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.