Home / 30,435,342.12-45,653,105.46-7,406,280.30

Finding the Fourth Proportional to 30,435,342.12, 45,653,105.46 and 7,406,280.30

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Solution

The fourth proportional to 30,435,342.12, 45,653,105.46 and 7,406,280.30 is: 11,109,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435,342.12 : 45,653,105.46 = 7,406,280.30 : x
  2. Step 2: Convert to fraction form
    30,435,342.12/45,653,105.46 = 7,406,280.30/x
  3. Step 3: Cross multiply
    30,435,342.12x = 45,653,105.46 × 7,406,280.30
  4. Step 4: Simplify right side
    30,435,342.12x = 338,119,695,602,220.44
  5. Step 5: Solve for x
    x = 338,119,695,602,220.44/30,435,342.12
  6. Step 6: Final answer
    x = 11,109,442.91

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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.