Home / 19,317,962.60-28,976,943.90-8,701,130.60

Finding the Fourth Proportional to 19,317,962.60, 28,976,943.90 and 8,701,130.60

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Solution

The fourth proportional to 19,317,962.60, 28,976,943.90 and 8,701,130.60 is: 13,051,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317,962.60 : 28,976,943.90 = 8,701,130.60 : x
  2. Step 2: Convert to fraction form
    19,317,962.60/28,976,943.90 = 8,701,130.60/x
  3. Step 3: Cross multiply
    19,317,962.60x = 28,976,943.90 × 8,701,130.60
  4. Step 4: Simplify right side
    19,317,962.60x = 252,132,173,262,773.31
  5. Step 5: Solve for x
    x = 252,132,173,262,773.31/19,317,962.60
  6. Step 6: Final answer
    x = 13,051,695.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.