Home / 30,536,429.12-45,803,589.60-7,817,522.24

Finding the Fourth Proportional to 30,536,429.12, 45,803,589.60 and 7,817,522.24

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Solution

The fourth proportional to 30,536,429.12, 45,803,589.60 and 7,817,522.24 is: 11,726,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,536,429.12 : 45,803,589.60 = 7,817,522.24 : x
  2. Step 2: Convert to fraction form
    30,536,429.12/45,803,589.60 = 7,817,522.24/x
  3. Step 3: Cross multiply
    30,536,429.12x = 45,803,589.60 × 7,817,522.24
  4. Step 4: Simplify right side
    30,536,429.12x = 358,070,580,369,832.75
  5. Step 5: Solve for x
    x = 358,070,580,369,832.75/30,536,429.12
  6. Step 6: Final answer
    x = 11,726,013.51

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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.