Home / 12,455,604.60-18,683,406.90-9,266,958.60

Finding the Fourth Proportional to 12,455,604.60, 18,683,406.90 and 9,266,958.60

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Solution

The fourth proportional to 12,455,604.60, 18,683,406.90 and 9,266,958.60 is: 13,900,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,604.60 : 18,683,406.90 = 9,266,958.60 : x
  2. Step 2: Convert to fraction form
    12,455,604.60/18,683,406.90 = 9,266,958.60/x
  3. Step 3: Cross multiply
    12,455,604.60x = 18,683,406.90 × 9,266,958.60
  4. Step 4: Simplify right side
    12,455,604.60x = 173,138,358,249,254.31
  5. Step 5: Solve for x
    x = 173,138,358,249,254.31/12,455,604.60
  6. Step 6: Final answer
    x = 13,900,437.90

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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.