Home / 19,987,215.90-29,980,820.40-10,896,957.83

Finding the Fourth Proportional to 19,987,215.90, 29,980,820.40 and 10,896,957.83

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Solution

The fourth proportional to 19,987,215.90, 29,980,820.40 and 10,896,957.83 is: 16,345,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,215.90 : 29,980,820.40 = 10,896,957.83 : x
  2. Step 2: Convert to fraction form
    19,987,215.90/29,980,820.40 = 10,896,957.83/x
  3. Step 3: Cross multiply
    19,987,215.90x = 29,980,820.40 × 10,896,957.83
  4. Step 4: Simplify right side
    19,987,215.90x = 326,699,735,607,603.69
  5. Step 5: Solve for x
    x = 326,699,735,607,603.69/19,987,215.90
  6. Step 6: Final answer
    x = 16,345,434.86

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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.