Home / 8,986,720.80-13,484,746.80-3,938,541.60

Finding the Fourth Proportional to 8,986,720.80, 13,484,746.80 and 3,938,541.60

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Solution

The fourth proportional to 8,986,720.80, 13,484,746.80 and 3,938,541.60 is: 5,909,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,720.80 : 13,484,746.80 = 3,938,541.60 : x
  2. Step 2: Convert to fraction form
    8,986,720.80/13,484,746.80 = 3,938,541.60/x
  3. Step 3: Cross multiply
    8,986,720.80x = 13,484,746.80 × 3,938,541.60
  4. Step 4: Simplify right side
    8,986,720.80x = 53,110,236,237,266.88
  5. Step 5: Solve for x
    x = 53,110,236,237,266.88/8,986,720.80
  6. Step 6: Final answer
    x = 5,909,857.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.