Home / 13,160,746.25-18,155,710.74-8,516,031.03

Finding the Fourth Proportional to 13,160,746.25, 18,155,710.74 and 8,516,031.03

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Solution

The fourth proportional to 13,160,746.25, 18,155,710.74 and 8,516,031.03 is: 11,748,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160,746.25 : 18,155,710.74 = 8,516,031.03 : x
  2. Step 2: Convert to fraction form
    13,160,746.25/18,155,710.74 = 8,516,031.03/x
  3. Step 3: Cross multiply
    13,160,746.25x = 18,155,710.74 × 8,516,031.03
  4. Step 4: Simplify right side
    13,160,746.25x = 154,614,596,033,544.25
  5. Step 5: Solve for x
    x = 154,614,596,033,544.25/13,160,746.25
  6. Step 6: Final answer
    x = 11,748,163.30

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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.