Home / 14,368,242.72-19,828,019.76-7,841,819.18

Finding the Fourth Proportional to 14,368,242.72, 19,828,019.76 and 7,841,819.18

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Solution

The fourth proportional to 14,368,242.72, 19,828,019.76 and 7,841,819.18 is: 10,821,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368,242.72 : 19,828,019.76 = 7,841,819.18 : x
  2. Step 2: Convert to fraction form
    14,368,242.72/19,828,019.76 = 7,841,819.18/x
  3. Step 3: Cross multiply
    14,368,242.72x = 19,828,019.76 × 7,841,819.18
  4. Step 4: Simplify right side
    14,368,242.72x = 155,487,745,655,387
  5. Step 5: Solve for x
    x = 155,487,745,655,387/14,368,242.72
  6. Step 6: Final answer
    x = 10,821,625.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.