Home / 30,338,750.87-45,509,455.21-8,775,532.29

Finding the Fourth Proportional to 30,338,750.87, 45,509,455.21 and 8,775,532.29

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Solution

The fourth proportional to 30,338,750.87, 45,509,455.21 and 8,775,532.29 is: 13,163,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338,750.87 : 45,509,455.21 = 8,775,532.29 : x
  2. Step 2: Convert to fraction form
    30,338,750.87/45,509,455.21 = 8,775,532.29/x
  3. Step 3: Cross multiply
    30,338,750.87x = 45,509,455.21 × 8,775,532.29
  4. Step 4: Simplify right side
    30,338,750.87x = 399,369,693,695,663.69
  5. Step 5: Solve for x
    x = 399,369,693,695,663.69/30,338,750.87
  6. Step 6: Final answer
    x = 13,163,682.82

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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.