Home / 28,827,352.52-39,781,744.88-15,774,613.01

Finding the Fourth Proportional to 28,827,352.52, 39,781,744.88 and 15,774,613.01

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Solution

The fourth proportional to 28,827,352.52, 39,781,744.88 and 15,774,613.01 is: 21,768,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,352.52 : 39,781,744.88 = 15,774,613.01 : x
  2. Step 2: Convert to fraction form
    28,827,352.52/39,781,744.88 = 15,774,613.01/x
  3. Step 3: Cross multiply
    28,827,352.52x = 39,781,744.88 × 15,774,613.01
  4. Step 4: Simplify right side
    28,827,352.52x = 627,541,630,066,767.12
  5. Step 5: Solve for x
    x = 627,541,630,066,767.12/28,827,352.52
  6. Step 6: Final answer
    x = 21,768,965.07

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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.