Home / 12,558,404.60-18,837,606.90-4,480,501.40

Finding the Fourth Proportional to 12,558,404.60, 18,837,606.90 and 4,480,501.40

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Solution

The fourth proportional to 12,558,404.60, 18,837,606.90 and 4,480,501.40 is: 6,720,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,404.60 : 18,837,606.90 = 4,480,501.40 : x
  2. Step 2: Convert to fraction form
    12,558,404.60/18,837,606.90 = 4,480,501.40/x
  3. Step 3: Cross multiply
    12,558,404.60x = 18,837,606.90 × 4,480,501.40
  4. Step 4: Simplify right side
    12,558,404.60x = 84,401,924,088,099.66
  5. Step 5: Solve for x
    x = 84,401,924,088,099.66/12,558,404.60
  6. Step 6: Final answer
    x = 6,720,752.10

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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.