Home / 19,381,431.47-26,747,569.31-10,679,602.68

Finding the Fourth Proportional to 19,381,431.47, 26,747,569.31 and 10,679,602.68

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Solution

The fourth proportional to 19,381,431.47, 26,747,569.31 and 10,679,602.68 is: 14,738,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381,431.47 : 26,747,569.31 = 10,679,602.68 : x
  2. Step 2: Convert to fraction form
    19,381,431.47/26,747,569.31 = 10,679,602.68/x
  3. Step 3: Cross multiply
    19,381,431.47x = 26,747,569.31 × 10,679,602.68
  4. Step 4: Simplify right side
    19,381,431.47x = 285,653,412,833,163.75
  5. Step 5: Solve for x
    x = 285,653,412,833,163.75/19,381,431.47
  6. Step 6: Final answer
    x = 14,738,509.55

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1.5x scale

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.