Home / 15,430,922.80-23,146,384.20-5,194,926.88

Finding the Fourth Proportional to 15,430,922.80, 23,146,384.20 and 5,194,926.88

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Solution

The fourth proportional to 15,430,922.80, 23,146,384.20 and 5,194,926.88 is: 7,792,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430,922.80 : 23,146,384.20 = 5,194,926.88 : x
  2. Step 2: Convert to fraction form
    15,430,922.80/23,146,384.20 = 5,194,926.88/x
  3. Step 3: Cross multiply
    15,430,922.80x = 23,146,384.20 × 5,194,926.88
  4. Step 4: Simplify right side
    15,430,922.80x = 120,243,773,455,387.30
  5. Step 5: Solve for x
    x = 120,243,773,455,387.30/15,430,922.80
  6. Step 6: Final answer
    x = 7,792,390.32

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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.