Home / 8,518,683.60-12,712,829.31-7,609,919.49

Finding the Fourth Proportional to 8,518,683.60, 12,712,829.31 and 7,609,919.49

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Solution

The fourth proportional to 8,518,683.60, 12,712,829.31 and 7,609,919.49 is: 11,356,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,683.60 : 12,712,829.31 = 7,609,919.49 : x
  2. Step 2: Convert to fraction form
    8,518,683.60/12,712,829.31 = 7,609,919.49/x
  3. Step 3: Cross multiply
    8,518,683.60x = 12,712,829.31 × 7,609,919.49
  4. Step 4: Simplify right side
    8,518,683.60x = 96,743,607,539,212.27
  5. Step 5: Solve for x
    x = 96,743,607,539,212.27/8,518,683.60
  6. Step 6: Final answer
    x = 11,356,638.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.