Home / 13,656,423.89-18,845,642.05-7,461,337.28

Finding the Fourth Proportional to 13,656,423.89, 18,845,642.05 and 7,461,337.28

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Solution

The fourth proportional to 13,656,423.89, 18,845,642.05 and 7,461,337.28 is: 10,296,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,423.89 : 18,845,642.05 = 7,461,337.28 : x
  2. Step 2: Convert to fraction form
    13,656,423.89/18,845,642.05 = 7,461,337.28/x
  3. Step 3: Cross multiply
    13,656,423.89x = 18,845,642.05 × 7,461,337.28
  4. Step 4: Simplify right side
    13,656,423.89x = 140,613,691,480,319.08
  5. Step 5: Solve for x
    x = 140,613,691,480,319.08/13,656,423.89
  6. Step 6: Final answer
    x = 10,296,523.64

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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.