Home / 18,995,133.96-28,530,829.08-11,333,730.24

Finding the Fourth Proportional to 18,995,133.96, 28,530,829.08 and 11,333,730.24

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Solution

The fourth proportional to 18,995,133.96, 28,530,829.08 and 11,333,730.24 is: 17,023,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995,133.96 : 28,530,829.08 = 11,333,730.24 : x
  2. Step 2: Convert to fraction form
    18,995,133.96/28,530,829.08 = 11,333,730.24/x
  3. Step 3: Cross multiply
    18,995,133.96x = 28,530,829.08 × 11,333,730.24
  4. Step 4: Simplify right side
    18,995,133.96x = 323,360,720,316,267.38
  5. Step 5: Solve for x
    x = 323,360,720,316,267.38/18,995,133.96
  6. Step 6: Final answer
    x = 17,023,345.08

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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.