Home / 12,291,005.60-18,436,508.40-3,316,464.80

Finding the Fourth Proportional to 12,291,005.60, 18,436,508.40 and 3,316,464.80

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Solution

The fourth proportional to 12,291,005.60, 18,436,508.40 and 3,316,464.80 is: 4,974,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,005.60 : 18,436,508.40 = 3,316,464.80 : x
  2. Step 2: Convert to fraction form
    12,291,005.60/18,436,508.40 = 3,316,464.80/x
  3. Step 3: Cross multiply
    12,291,005.60x = 18,436,508.40 × 3,316,464.80
  4. Step 4: Simplify right side
    12,291,005.60x = 61,144,031,143,504.31
  5. Step 5: Solve for x
    x = 61,144,031,143,504.31/12,291,005.60
  6. Step 6: Final answer
    x = 4,974,697.20

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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.