Home / 20,403,010.46-28,155,876.25-11,582,385.01

Finding the Fourth Proportional to 20,403,010.46, 28,155,876.25 and 11,582,385.01

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Solution

The fourth proportional to 20,403,010.46, 28,155,876.25 and 11,582,385.01 is: 15,983,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,010.46 : 28,155,876.25 = 11,582,385.01 : x
  2. Step 2: Convert to fraction form
    20,403,010.46/28,155,876.25 = 11,582,385.01/x
  3. Step 3: Cross multiply
    20,403,010.46x = 28,155,876.25 × 11,582,385.01
  4. Step 4: Simplify right side
    20,403,010.46x = 326,112,199,021,415
  5. Step 5: Solve for x
    x = 326,112,199,021,415/20,403,010.46
  6. Step 6: Final answer
    x = 15,983,533.39

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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.