Home / 14,036,999.40-21,055,499.10-13,478,986.35

Finding the Fourth Proportional to 14,036,999.40, 21,055,499.10 and 13,478,986.35

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Solution

The fourth proportional to 14,036,999.40, 21,055,499.10 and 13,478,986.35 is: 20,218,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,999.40 : 21,055,499.10 = 13,478,986.35 : x
  2. Step 2: Convert to fraction form
    14,036,999.40/21,055,499.10 = 13,478,986.35/x
  3. Step 3: Cross multiply
    14,036,999.40x = 21,055,499.10 × 13,478,986.35
  4. Step 4: Simplify right side
    14,036,999.40x = 283,806,784,961,337.31
  5. Step 5: Solve for x
    x = 283,806,784,961,337.31/14,036,999.40
  6. Step 6: Final answer
    x = 20,218,479.53

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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.