Home / 42,328,993.55-63,486,688.48-11,616,398.51

Finding the Fourth Proportional to 42,328,993.55, 63,486,688.48 and 11,616,398.51

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Solution

The fourth proportional to 42,328,993.55, 63,486,688.48 and 11,616,398.51 is: 17,422,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,328,993.55 : 63,486,688.48 = 11,616,398.51 : x
  2. Step 2: Convert to fraction form
    42,328,993.55/63,486,688.48 = 11,616,398.51/x
  3. Step 3: Cross multiply
    42,328,993.55x = 63,486,688.48 × 11,616,398.51
  4. Step 4: Simplify right side
    42,328,993.55x = 737,486,673,117,431.75
  5. Step 5: Solve for x
    x = 737,486,673,117,431.75/42,328,993.55
  6. Step 6: Final answer
    x = 17,422,731.12

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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.