Home / 19,308,053.62-28,961,700.54-7,793,215.12

Finding the Fourth Proportional to 19,308,053.62, 28,961,700.54 and 7,793,215.12

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Solution

The fourth proportional to 19,308,053.62, 28,961,700.54 and 7,793,215.12 is: 11,689,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308,053.62 : 28,961,700.54 = 7,793,215.12 : x
  2. Step 2: Convert to fraction form
    19,308,053.62/28,961,700.54 = 7,793,215.12/x
  3. Step 3: Cross multiply
    19,308,053.62x = 28,961,700.54 × 7,793,215.12
  4. Step 4: Simplify right side
    19,308,053.62x = 225,704,762,549,240.16
  5. Step 5: Solve for x
    x = 225,704,762,549,240.16/19,308,053.62
  6. Step 6: Final answer
    x = 11,689,669.35

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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.