Home / 12,144,044.40-18,221,102.28-5,317,094.40

Finding the Fourth Proportional to 12,144,044.40, 18,221,102.28 and 5,317,094.40

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Solution

The fourth proportional to 12,144,044.40, 18,221,102.28 and 5,317,094.40 is: 7,977,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,044.40 : 18,221,102.28 = 5,317,094.40 : x
  2. Step 2: Convert to fraction form
    12,144,044.40/18,221,102.28 = 5,317,094.40/x
  3. Step 3: Cross multiply
    12,144,044.40x = 18,221,102.28 × 5,317,094.40
  4. Step 4: Simplify right side
    12,144,044.40x = 96,883,320,894,815.25
  5. Step 5: Solve for x
    x = 96,883,320,894,815.25/12,144,044.40
  6. Step 6: Final answer
    x = 7,977,846.40

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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.