Home / 13,270,386.64-18,303,699.95-8,857,887.50

Finding the Fourth Proportional to 13,270,386.64, 18,303,699.95 and 8,857,887.50

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Solution

The fourth proportional to 13,270,386.64, 18,303,699.95 and 8,857,887.50 is: 12,217,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,386.64 : 18,303,699.95 = 8,857,887.50 : x
  2. Step 2: Convert to fraction form
    13,270,386.64/18,303,699.95 = 8,857,887.50/x
  3. Step 3: Cross multiply
    13,270,386.64x = 18,303,699.95 × 8,857,887.50
  4. Step 4: Simplify right side
    13,270,386.64x = 162,132,114,990,855.62
  5. Step 5: Solve for x
    x = 162,132,114,990,855.62/13,270,386.64
  6. Step 6: Final answer
    x = 12,217,587.88

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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.