Home / 28,872,570.99-43,308,856.89-9,703,328.61

Finding the Fourth Proportional to 28,872,570.99, 43,308,856.89 and 9,703,328.61

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Solution

The fourth proportional to 28,872,570.99, 43,308,856.89 and 9,703,328.61 is: 14,554,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872,570.99 : 43,308,856.89 = 9,703,328.61 : x
  2. Step 2: Convert to fraction form
    28,872,570.99/43,308,856.89 = 9,703,328.61/x
  3. Step 3: Cross multiply
    28,872,570.99x = 43,308,856.89 × 9,703,328.61
  4. Step 4: Simplify right side
    28,872,570.99x = 420,240,070,127,132.62
  5. Step 5: Solve for x
    x = 420,240,070,127,132.62/28,872,570.99
  6. Step 6: Final answer
    x = 14,554,993.05

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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.