Home / 14,465,104.74-19,961,784.18-7,938,840.78

Finding the Fourth Proportional to 14,465,104.74, 19,961,784.18 and 7,938,840.78

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Solution

The fourth proportional to 14,465,104.74, 19,961,784.18 and 7,938,840.78 is: 10,955,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465,104.74 : 19,961,784.18 = 7,938,840.78 : x
  2. Step 2: Convert to fraction form
    14,465,104.74/19,961,784.18 = 7,938,840.78/x
  3. Step 3: Cross multiply
    14,465,104.74x = 19,961,784.18 × 7,938,840.78
  4. Step 4: Simplify right side
    14,465,104.74x = 158,473,426,289,742.88
  5. Step 5: Solve for x
    x = 158,473,426,289,742.88/14,465,104.74
  6. Step 6: Final answer
    x = 10,955,567.15

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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.