Home / 27,748,362.65-41,636,895.68-20,134,778.38

Finding the Fourth Proportional to 27,748,362.65, 41,636,895.68 and 20,134,778.38

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Solution

The fourth proportional to 27,748,362.65, 41,636,895.68 and 20,134,778.38 is: 30,212,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748,362.65 : 41,636,895.68 = 20,134,778.38 : x
  2. Step 2: Convert to fraction form
    27,748,362.65/41,636,895.68 = 20,134,778.38/x
  3. Step 3: Cross multiply
    27,748,362.65x = 41,636,895.68 × 20,134,778.38
  4. Step 4: Simplify right side
    27,748,362.65x = 838,349,666,894,224.12
  5. Step 5: Solve for x
    x = 838,349,666,894,224.12/27,748,362.65
  6. Step 6: Final answer
    x = 30,212,581.46

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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.