Home / 19,254,315.52-28,881,265.92-7,892,231.68

Finding the Fourth Proportional to 19,254,315.52, 28,881,265.92 and 7,892,231.68

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Solution

The fourth proportional to 19,254,315.52, 28,881,265.92 and 7,892,231.68 is: 11,838,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254,315.52 : 28,881,265.92 = 7,892,231.68 : x
  2. Step 2: Convert to fraction form
    19,254,315.52/28,881,265.92 = 7,892,231.68/x
  3. Step 3: Cross multiply
    19,254,315.52x = 28,881,265.92 × 7,892,231.68
  4. Step 4: Simplify right side
    19,254,315.52x = 227,937,641,852,328.34
  5. Step 5: Solve for x
    x = 227,937,641,852,328.34/19,254,315.52
  6. Step 6: Final answer
    x = 11,838,262.52

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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.