Home / 28,895,256.64-39,875,243.40-15,842,300.24

Finding the Fourth Proportional to 28,895,256.64, 39,875,243.40 and 15,842,300.24

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Solution

The fourth proportional to 28,895,256.64, 39,875,243.40 and 15,842,300.24 is: 21,862,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895,256.64 : 39,875,243.40 = 15,842,300.24 : x
  2. Step 2: Convert to fraction form
    28,895,256.64/39,875,243.40 = 15,842,300.24/x
  3. Step 3: Cross multiply
    28,895,256.64x = 39,875,243.40 × 15,842,300.24
  4. Step 4: Simplify right side
    28,895,256.64x = 631,715,578,085,878.38
  5. Step 5: Solve for x
    x = 631,715,578,085,878.38/28,895,256.64
  6. Step 6: Final answer
    x = 21,862,258.78

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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.