Home / 18,638,085.07-25,720,312.14-10,265,294.05

Finding the Fourth Proportional to 18,638,085.07, 25,720,312.14 and 10,265,294.05

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Solution

The fourth proportional to 18,638,085.07, 25,720,312.14 and 10,265,294.05 is: 14,165,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,085.07 : 25,720,312.14 = 10,265,294.05 : x
  2. Step 2: Convert to fraction form
    18,638,085.07/25,720,312.14 = 10,265,294.05/x
  3. Step 3: Cross multiply
    18,638,085.07x = 25,720,312.14 × 10,265,294.05
  4. Step 4: Simplify right side
    18,638,085.07x = 264,026,567,174,884.78
  5. Step 5: Solve for x
    x = 264,026,567,174,884.78/18,638,085.07
  6. Step 6: Final answer
    x = 14,165,970.71

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1.5x scale

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.