Home / 28,633,257-39,513,562.52-15,580,291.05

Finding the Fourth Proportional to 28,633,257, 39,513,562.52 and 15,580,291.05

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Solution

The fourth proportional to 28,633,257, 39,513,562.52 and 15,580,291.05 is: 21,500,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633,257 : 39,513,562.52 = 15,580,291.05 : x
  2. Step 2: Convert to fraction form
    28,633,257/39,513,562.52 = 15,580,291.05/x
  3. Step 3: Cross multiply
    28,633,257x = 39,513,562.52 × 15,580,291.05
  4. Step 4: Simplify right side
    28,633,257x = 615,632,804,406,070
  5. Step 5: Solve for x
    x = 615,632,804,406,070/28,633,257
  6. Step 6: Final answer
    x = 21,500,620.92

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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.