Home / 31,166,778.40-43,009,328.40-17,415,855.52

Finding the Fourth Proportional to 31,166,778.40, 43,009,328.40 and 17,415,855.52

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Solution

The fourth proportional to 31,166,778.40, 43,009,328.40 and 17,415,855.52 is: 24,033,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166,778.40 : 43,009,328.40 = 17,415,855.52 : x
  2. Step 2: Convert to fraction form
    31,166,778.40/43,009,328.40 = 17,415,855.52/x
  3. Step 3: Cross multiply
    31,166,778.40x = 43,009,328.40 × 17,415,855.52
  4. Step 4: Simplify right side
    31,166,778.40x = 749,044,249,426,632.75
  5. Step 5: Solve for x
    x = 749,044,249,426,632.75/31,166,778.40
  6. Step 6: Final answer
    x = 24,033,419.17

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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.