Home / 19,187,889.40-28,773,641.10-11,106,443.32

Finding the Fourth Proportional to 19,187,889.40, 28,773,641.10 and 11,106,443.32

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Solution

The fourth proportional to 19,187,889.40, 28,773,641.10 and 11,106,443.32 is: 16,654,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,889.40 : 28,773,641.10 = 11,106,443.32 : x
  2. Step 2: Convert to fraction form
    19,187,889.40/28,773,641.10 = 11,106,443.32/x
  3. Step 3: Cross multiply
    19,187,889.40x = 28,773,641.10 × 11,106,443.32
  4. Step 4: Simplify right side
    19,187,889.40x = 319,572,813,987,172.50
  5. Step 5: Solve for x
    x = 319,572,813,987,172.50/19,187,889.40
  6. Step 6: Final answer
    x = 16,654,922.66

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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.