Home / 19,570,090.80-29,355,136.20-16,672,753.20

Finding the Fourth Proportional to 19,570,090.80, 29,355,136.20 and 16,672,753.20

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Solution

The fourth proportional to 19,570,090.80, 29,355,136.20 and 16,672,753.20 is: 25,009,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,090.80 : 29,355,136.20 = 16,672,753.20 : x
  2. Step 2: Convert to fraction form
    19,570,090.80/29,355,136.20 = 16,672,753.20/x
  3. Step 3: Cross multiply
    19,570,090.80x = 29,355,136.20 × 16,672,753.20
  4. Step 4: Simplify right side
    19,570,090.80x = 489,430,941,014,985.81
  5. Step 5: Solve for x
    x = 489,430,941,014,985.81/19,570,090.80
  6. Step 6: Final answer
    x = 25,009,129.80

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1.5x scale

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.