Home / 13,806,840.75-20,713,250.64-5,287,177.53

Finding the Fourth Proportional to 13,806,840.75, 20,713,250.64 and 5,287,177.53

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Solution

The fourth proportional to 13,806,840.75, 20,713,250.64 and 5,287,177.53 is: 7,931,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,840.75 : 20,713,250.64 = 5,287,177.53 : x
  2. Step 2: Convert to fraction form
    13,806,840.75/20,713,250.64 = 5,287,177.53/x
  3. Step 3: Cross multiply
    13,806,840.75x = 20,713,250.64 × 5,287,177.53
  4. Step 4: Simplify right side
    13,806,840.75x = 109,514,633,357,066.12
  5. Step 5: Solve for x
    x = 109,514,633,357,066.12/13,806,840.75
  6. Step 6: Final answer
    x = 7,931,911.10

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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.