Home / 12,764,041.60-19,146,062.40-9,180,860.80

Finding the Fourth Proportional to 12,764,041.60, 19,146,062.40 and 9,180,860.80

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Solution

The fourth proportional to 12,764,041.60, 19,146,062.40 and 9,180,860.80 is: 13,771,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,041.60 : 19,146,062.40 = 9,180,860.80 : x
  2. Step 2: Convert to fraction form
    12,764,041.60/19,146,062.40 = 9,180,860.80/x
  3. Step 3: Cross multiply
    12,764,041.60x = 19,146,062.40 × 9,180,860.80
  4. Step 4: Simplify right side
    12,764,041.60x = 175,777,333,762,513.91
  5. Step 5: Solve for x
    x = 175,777,333,762,513.91/12,764,041.60
  6. Step 6: Final answer
    x = 13,771,291.20

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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.