Home / 13,469,488.56-18,587,862.72-7,357,960.80

Finding the Fourth Proportional to 13,469,488.56, 18,587,862.72 and 7,357,960.80

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Solution

The fourth proportional to 13,469,488.56, 18,587,862.72 and 7,357,960.80 is: 10,153,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,488.56 : 18,587,862.72 = 7,357,960.80 : x
  2. Step 2: Convert to fraction form
    13,469,488.56/18,587,862.72 = 7,357,960.80/x
  3. Step 3: Cross multiply
    13,469,488.56x = 18,587,862.72 × 7,357,960.80
  4. Step 4: Simplify right side
    13,469,488.56x = 136,768,765,249,541.36
  5. Step 5: Solve for x
    x = 136,768,765,249,541.36/13,469,488.56
  6. Step 6: Final answer
    x = 10,153,968.70

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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.