Home / 31,458,328.74-43,413,840.54-17,519,683.76

Finding the Fourth Proportional to 31,458,328.74, 43,413,840.54 and 17,519,683.76

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Solution

The fourth proportional to 31,458,328.74, 43,413,840.54 and 17,519,683.76 is: 24,177,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458,328.74 : 43,413,840.54 = 17,519,683.76 : x
  2. Step 2: Convert to fraction form
    31,458,328.74/43,413,840.54 = 17,519,683.76/x
  3. Step 3: Cross multiply
    31,458,328.74x = 43,413,840.54 × 17,519,683.76
  4. Step 4: Simplify right side
    31,458,328.74x = 760,596,756,850,798.38
  5. Step 5: Solve for x
    x = 760,596,756,850,798.38/31,458,328.74
  6. Step 6: Final answer
    x = 24,177,913.68

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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.