Home / 19,187,903.05-28,773,661.50-11,106,456.91

Finding the Fourth Proportional to 19,187,903.05, 28,773,661.50 and 11,106,456.91

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Solution

The fourth proportional to 19,187,903.05, 28,773,661.50 and 11,106,456.91 is: 16,654,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,903.05 : 28,773,661.50 = 11,106,456.91 : x
  2. Step 2: Convert to fraction form
    19,187,903.05/28,773,661.50 = 11,106,456.91/x
  3. Step 3: Cross multiply
    19,187,903.05x = 28,773,661.50 × 11,106,456.91
  4. Step 4: Simplify right side
    19,187,903.05x = 319,573,431,520,741.81
  5. Step 5: Solve for x
    x = 319,573,431,520,741.81/19,187,903.05
  6. Step 6: Final answer
    x = 16,654,943.00

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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.