Home / 13,440,444.30-20,160,666.45-4,917,948.30

Finding the Fourth Proportional to 13,440,444.30, 20,160,666.45 and 4,917,948.30

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Solution

The fourth proportional to 13,440,444.30, 20,160,666.45 and 4,917,948.30 is: 7,376,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,444.30 : 20,160,666.45 = 4,917,948.30 : x
  2. Step 2: Convert to fraction form
    13,440,444.30/20,160,666.45 = 4,917,948.30/x
  3. Step 3: Cross multiply
    13,440,444.30x = 20,160,666.45 × 4,917,948.30
  4. Step 4: Simplify right side
    13,440,444.30x = 99,149,115,294,644.53
  5. Step 5: Solve for x
    x = 99,149,115,294,644.53/13,440,444.30
  6. Step 6: Final answer
    x = 7,376,922.45

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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.