Home / 20,385,384.53-30,578,068.26-7,432,505.24

Finding the Fourth Proportional to 20,385,384.53, 30,578,068.26 and 7,432,505.24

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Solution

The fourth proportional to 20,385,384.53, 30,578,068.26 and 7,432,505.24 is: 11,148,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385,384.53 : 30,578,068.26 = 7,432,505.24 : x
  2. Step 2: Convert to fraction form
    20,385,384.53/30,578,068.26 = 7,432,505.24/x
  3. Step 3: Cross multiply
    20,385,384.53x = 30,578,068.26 × 7,432,505.24
  4. Step 4: Simplify right side
    20,385,384.53x = 227,271,652,418,637.38
  5. Step 5: Solve for x
    x = 227,271,652,418,637.38/20,385,384.53
  6. Step 6: Final answer
    x = 11,148,754.74

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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.