Home / 13,690,129.64-18,892,601.70-7,495,071.80

Finding the Fourth Proportional to 13,690,129.64, 18,892,601.70 and 7,495,071.80

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Solution

The fourth proportional to 13,690,129.64, 18,892,601.70 and 7,495,071.80 is: 10,343,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,129.64 : 18,892,601.70 = 7,495,071.80 : x
  2. Step 2: Convert to fraction form
    13,690,129.64/18,892,601.70 = 7,495,071.80/x
  3. Step 3: Cross multiply
    13,690,129.64x = 18,892,601.70 × 7,495,071.80
  4. Step 4: Simplify right side
    13,690,129.64x = 141,601,406,230,302.06
  5. Step 5: Solve for x
    x = 141,601,406,230,302.06/13,690,129.64
  6. Step 6: Final answer
    x = 10,343,321.06

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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.