Home / 18,638,085.28-25,720,312.47-10,265,294.29

Finding the Fourth Proportional to 18,638,085.28, 25,720,312.47 and 10,265,294.29

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Solution

The fourth proportional to 18,638,085.28, 25,720,312.47 and 10,265,294.29 is: 14,165,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,085.28 : 25,720,312.47 = 10,265,294.29 : x
  2. Step 2: Convert to fraction form
    18,638,085.28/25,720,312.47 = 10,265,294.29/x
  3. Step 3: Cross multiply
    18,638,085.28x = 25,720,312.47 × 10,265,294.29
  4. Step 4: Simplify right side
    18,638,085.28x = 264,026,576,735,306.75
  5. Step 5: Solve for x
    x = 264,026,576,735,306.75/18,638,085.28
  6. Step 6: Final answer
    x = 14,165,971.06

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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.