Home / 30,435,358.59-45,653,130.23-7,406,296.79

Finding the Fourth Proportional to 30,435,358.59, 45,653,130.23 and 7,406,296.79

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Solution

The fourth proportional to 30,435,358.59, 45,653,130.23 and 7,406,296.79 is: 11,109,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435,358.59 : 45,653,130.23 = 7,406,296.79 : x
  2. Step 2: Convert to fraction form
    30,435,358.59/45,653,130.23 = 7,406,296.79/x
  3. Step 3: Cross multiply
    30,435,358.59x = 45,653,130.23 × 7,406,296.79
  4. Step 4: Simplify right side
    30,435,358.59x = 338,120,631,610,603.88
  5. Step 5: Solve for x
    x = 338,120,631,610,603.88/30,435,358.59
  6. Step 6: Final answer
    x = 11,109,467.65

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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.