Home / 14,486,334.95-19,991,137.64-7,960,384.78

Finding the Fourth Proportional to 14,486,334.95, 19,991,137.64 and 7,960,384.78

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Solution

The fourth proportional to 14,486,334.95, 19,991,137.64 and 7,960,384.78 is: 10,985,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,334.95 : 19,991,137.64 = 7,960,384.78 : x
  2. Step 2: Convert to fraction form
    14,486,334.95/19,991,137.64 = 7,960,384.78/x
  3. Step 3: Cross multiply
    14,486,334.95x = 19,991,137.64 × 7,960,384.78
  4. Step 4: Simplify right side
    14,486,334.95x = 159,137,147,714,561.38
  5. Step 5: Solve for x
    x = 159,137,147,714,561.38/14,486,334.95
  6. Step 6: Final answer
    x = 10,985,328.47

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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.