Home / 30,147,285.46-45,221,208.02-8,581,886.36

Finding the Fourth Proportional to 30,147,285.46, 45,221,208.02 and 8,581,886.36

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Solution

The fourth proportional to 30,147,285.46, 45,221,208.02 and 8,581,886.36 is: 12,872,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147,285.46 : 45,221,208.02 = 8,581,886.36 : x
  2. Step 2: Convert to fraction form
    30,147,285.46/45,221,208.02 = 8,581,886.36/x
  3. Step 3: Cross multiply
    30,147,285.46x = 45,221,208.02 × 8,581,886.36
  4. Step 4: Simplify right side
    30,147,285.46x = 388,083,268,476,676.06
  5. Step 5: Solve for x
    x = 388,083,268,476,676.06/30,147,285.46
  6. Step 6: Final answer
    x = 12,872,909.20

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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.