Home / 30,147,298.26-45,221,227.24-8,581,899.16

Finding the Fourth Proportional to 30,147,298.26, 45,221,227.24 and 8,581,899.16

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Solution

The fourth proportional to 30,147,298.26, 45,221,227.24 and 8,581,899.16 is: 12,872,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147,298.26 : 45,221,227.24 = 8,581,899.16 : x
  2. Step 2: Convert to fraction form
    30,147,298.26/45,221,227.24 = 8,581,899.16/x
  3. Step 3: Cross multiply
    30,147,298.26x = 45,221,227.24 × 8,581,899.16
  4. Step 4: Simplify right side
    30,147,298.26x = 388,084,012,065,125.12
  5. Step 5: Solve for x
    x = 388,084,012,065,125.12/30,147,298.26
  6. Step 6: Final answer
    x = 12,872,928.40

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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.