Home / 12,558,401.60-18,837,602.40-4,480,498.40

Finding the Fourth Proportional to 12,558,401.60, 18,837,602.40 and 4,480,498.40

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Solution

The fourth proportional to 12,558,401.60, 18,837,602.40 and 4,480,498.40 is: 6,720,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,401.60 : 18,837,602.40 = 4,480,498.40 : x
  2. Step 2: Convert to fraction form
    12,558,401.60/18,837,602.40 = 4,480,498.40/x
  3. Step 3: Cross multiply
    12,558,401.60x = 18,837,602.40 × 4,480,498.40
  4. Step 4: Simplify right side
    12,558,401.60x = 84,401,847,413,036.16
  5. Step 5: Solve for x
    x = 84,401,847,413,036.16/12,558,401.60
  6. Step 6: Final answer
    x = 6,720,747.60

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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.