Home / 12,446,952.90-18,670,429.35-8,142,280.80

Finding the Fourth Proportional to 12,446,952.90, 18,670,429.35 and 8,142,280.80

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Solution

The fourth proportional to 12,446,952.90, 18,670,429.35 and 8,142,280.80 is: 12,213,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,952.90 : 18,670,429.35 = 8,142,280.80 : x
  2. Step 2: Convert to fraction form
    12,446,952.90/18,670,429.35 = 8,142,280.80/x
  3. Step 3: Cross multiply
    12,446,952.90x = 18,670,429.35 × 8,142,280.80
  4. Step 4: Simplify right side
    12,446,952.90x = 152,019,878,424,261.50
  5. Step 5: Solve for x
    x = 152,019,878,424,261.50/12,446,952.90
  6. Step 6: Final answer
    x = 12,213,421.20

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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.