Home / 14,365,382.60-19,824,648.63-7,839,432.56

Finding the Fourth Proportional to 14,365,382.60, 19,824,648.63 and 7,839,432.56

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Solution

The fourth proportional to 14,365,382.60, 19,824,648.63 and 7,839,432.56 is: 10,818,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,382.60 : 19,824,648.63 = 7,839,432.56 : x
  2. Step 2: Convert to fraction form
    14,365,382.60/19,824,648.63 = 7,839,432.56/x
  3. Step 3: Cross multiply
    14,365,382.60x = 19,824,648.63 × 7,839,432.56
  4. Step 4: Simplify right side
    14,365,382.60x = 155,413,995,960,581.38
  5. Step 5: Solve for x
    x = 155,413,995,960,581.38/14,365,382.60
  6. Step 6: Final answer
    x = 10,818,646.48

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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.