Home / 9,985,993.77-13,780,637.82-5,402,316.36

Finding the Fourth Proportional to 9,985,993.77, 13,780,637.82 and 5,402,316.36

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Solution

The fourth proportional to 9,985,993.77, 13,780,637.82 and 5,402,316.36 is: 7,455,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,993.77 : 13,780,637.82 = 5,402,316.36 : x
  2. Step 2: Convert to fraction form
    9,985,993.77/13,780,637.82 = 5,402,316.36/x
  3. Step 3: Cross multiply
    9,985,993.77x = 13,780,637.82 × 5,402,316.36
  4. Step 4: Simplify right side
    9,985,993.77x = 74,447,365,146,220.73
  5. Step 5: Solve for x
    x = 74,447,365,146,220.73/9,985,993.77
  6. Step 6: Final answer
    x = 7,455,178.41

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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.