Home / 19,157,553.36-28,721,071.56-11,061,345.24

Finding the Fourth Proportional to 19,157,553.36, 28,721,071.56 and 11,061,345.24

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Solution

The fourth proportional to 19,157,553.36, 28,721,071.56 and 11,061,345.24 is: 16,583,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,553.36 : 28,721,071.56 = 11,061,345.24 : x
  2. Step 2: Convert to fraction form
    19,157,553.36/28,721,071.56 = 11,061,345.24/x
  3. Step 3: Cross multiply
    19,157,553.36x = 28,721,071.56 × 11,061,345.24
  4. Step 4: Simplify right side
    19,157,553.36x = 317,693,688,187,905.38
  5. Step 5: Solve for x
    x = 317,693,688,187,905.38/19,157,553.36
  6. Step 6: Final answer
    x = 16,583,207.79

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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.