Home / 19,875,774.15-27,428,403.31-11,173,985.46

Finding the Fourth Proportional to 19,875,774.15, 27,428,403.31 and 11,173,985.46

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Solution

The fourth proportional to 19,875,774.15, 27,428,403.31 and 11,173,985.46 is: 15,420,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,774.15 : 27,428,403.31 = 11,173,985.46 : x
  2. Step 2: Convert to fraction form
    19,875,774.15/27,428,403.31 = 11,173,985.46/x
  3. Step 3: Cross multiply
    19,875,774.15x = 27,428,403.31 × 11,173,985.46
  4. Step 4: Simplify right side
    19,875,774.15x = 306,484,579,749,020.94
  5. Step 5: Solve for x
    x = 306,484,579,749,020.94/19,875,774.15
  6. Step 6: Final answer
    x = 15,420,007.16

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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.