Home / 15,539,335.60-21,444,421.76-8,570,282.72

Finding the Fourth Proportional to 15,539,335.60, 21,444,421.76 and 8,570,282.72

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Solution

The fourth proportional to 15,539,335.60, 21,444,421.76 and 8,570,282.72 is: 11,827,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539,335.60 : 21,444,421.76 = 8,570,282.72 : x
  2. Step 2: Convert to fraction form
    15,539,335.60/21,444,421.76 = 8,570,282.72/x
  3. Step 3: Cross multiply
    15,539,335.60x = 21,444,421.76 × 8,570,282.72
  4. Step 4: Simplify right side
    15,539,335.60x = 183,784,757,250,120.03
  5. Step 5: Solve for x
    x = 183,784,757,250,120.03/15,539,335.60
  6. Step 6: Final answer
    x = 11,827,066.61

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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.