Home / 13,434,899.52-18,539,461.80-7,632,876

Finding the Fourth Proportional to 13,434,899.52, 18,539,461.80 and 7,632,876

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Solution

The fourth proportional to 13,434,899.52, 18,539,461.80 and 7,632,876 is: 10,532,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,899.52 : 18,539,461.80 = 7,632,876 : x
  2. Step 2: Convert to fraction form
    13,434,899.52/18,539,461.80 = 7,632,876/x
  3. Step 3: Cross multiply
    13,434,899.52x = 18,539,461.80 × 7,632,876
  4. Step 4: Simplify right side
    13,434,899.52x = 141,509,413,026,136.81
  5. Step 5: Solve for x
    x = 141,509,413,026,136.81/13,434,899.52
  6. Step 6: Final answer
    x = 10,532,971.45

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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.