Home / 13,440,448.30-20,160,672.45-4,917,952.30

Finding the Fourth Proportional to 13,440,448.30, 20,160,672.45 and 4,917,952.30

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Solution

The fourth proportional to 13,440,448.30, 20,160,672.45 and 4,917,952.30 is: 7,376,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,448.30 : 20,160,672.45 = 4,917,952.30 : x
  2. Step 2: Convert to fraction form
    13,440,448.30/20,160,672.45 = 4,917,952.30/x
  3. Step 3: Cross multiply
    13,440,448.30x = 20,160,672.45 × 4,917,952.30
  4. Step 4: Simplify right side
    13,440,448.30x = 99,149,225,445,024.12
  5. Step 5: Solve for x
    x = 99,149,225,445,024.12/13,440,448.30
  6. Step 6: Final answer
    x = 7,376,928.45

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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.