Home / 15,457,433.45-21,330,425.16-8,581,473.05

Finding the Fourth Proportional to 15,457,433.45, 21,330,425.16 and 8,581,473.05

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Solution

The fourth proportional to 15,457,433.45, 21,330,425.16 and 8,581,473.05 is: 11,841,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,433.45 : 21,330,425.16 = 8,581,473.05 : x
  2. Step 2: Convert to fraction form
    15,457,433.45/21,330,425.16 = 8,581,473.05/x
  3. Step 3: Cross multiply
    15,457,433.45x = 21,330,425.16 × 8,581,473.05
  4. Step 4: Simplify right side
    15,457,433.45x = 183,046,468,548,929.81
  5. Step 5: Solve for x
    x = 183,046,468,548,929.81/15,457,433.45
  6. Step 6: Final answer
    x = 11,841,970.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.