Home / 12,415,646.02-17,135,083.08-7,520,724.49

Finding the Fourth Proportional to 12,415,646.02, 17,135,083.08 and 7,520,724.49

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Solution

The fourth proportional to 12,415,646.02, 17,135,083.08 and 7,520,724.49 is: 10,379,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,646.02 : 17,135,083.08 = 7,520,724.49 : x
  2. Step 2: Convert to fraction form
    12,415,646.02/17,135,083.08 = 7,520,724.49/x
  3. Step 3: Cross multiply
    12,415,646.02x = 17,135,083.08 × 7,520,724.49
  4. Step 4: Simplify right side
    12,415,646.02x = 128,868,238,834,661.59
  5. Step 5: Solve for x
    x = 128,868,238,834,661.59/12,415,646.02
  6. Step 6: Final answer
    x = 10,379,503.30

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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.