Home / 30,248,259.53-45,361,272.65-10,812,240.81

Finding the Fourth Proportional to 30,248,259.53, 45,361,272.65 and 10,812,240.81

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Solution

The fourth proportional to 30,248,259.53, 45,361,272.65 and 10,812,240.81 is: 16,214,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248,259.53 : 45,361,272.65 = 10,812,240.81 : x
  2. Step 2: Convert to fraction form
    30,248,259.53/45,361,272.65 = 10,812,240.81/x
  3. Step 3: Cross multiply
    30,248,259.53x = 45,361,272.65 × 10,812,240.81
  4. Step 4: Simplify right side
    30,248,259.53x = 490,457,003,285,805.69
  5. Step 5: Solve for x
    x = 490,457,003,285,805.69/30,248,259.53
  6. Step 6: Final answer
    x = 16,214,387.57

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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.