Home / 12,764,114.60-19,146,171.90-9,180,933.80

Finding the Fourth Proportional to 12,764,114.60, 19,146,171.90 and 9,180,933.80

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Solution

The fourth proportional to 12,764,114.60, 19,146,171.90 and 9,180,933.80 is: 13,771,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,114.60 : 19,146,171.90 = 9,180,933.80 : x
  2. Step 2: Convert to fraction form
    12,764,114.60/19,146,171.90 = 9,180,933.80/x
  3. Step 3: Cross multiply
    12,764,114.60x = 19,146,171.90 × 9,180,933.80
  4. Step 4: Simplify right side
    12,764,114.60x = 175,779,736,737,320.22
  5. Step 5: Solve for x
    x = 175,779,736,737,320.22/12,764,114.60
  6. Step 6: Final answer
    x = 13,771,400.70

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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.