Home / 51,549,718.68-71,138,111.65-28,028,255.11

Finding the Fourth Proportional to 51,549,718.68, 71,138,111.65 and 28,028,255.11

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Solution

The fourth proportional to 51,549,718.68, 71,138,111.65 and 28,028,255.11 is: 38,678,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549,718.68 : 71,138,111.65 = 28,028,255.11 : x
  2. Step 2: Convert to fraction form
    51,549,718.68/71,138,111.65 = 28,028,255.11/x
  3. Step 3: Cross multiply
    51,549,718.68x = 71,138,111.65 × 28,028,255.11
  4. Step 4: Simplify right side
    51,549,718.68x = 1,993,877,141,121,947
  5. Step 5: Solve for x
    x = 1,993,877,141,121,947/51,549,718.68
  6. Step 6: Final answer
    x = 38,678,720.12

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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.