Home / 23,032,647.02-31,785,064.84-12,578,808.90

Finding the Fourth Proportional to 23,032,647.02, 31,785,064.84 and 12,578,808.90

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Solution

The fourth proportional to 23,032,647.02, 31,785,064.84 and 12,578,808.90 is: 17,358,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032,647.02 : 31,785,064.84 = 12,578,808.90 : x
  2. Step 2: Convert to fraction form
    23,032,647.02/31,785,064.84 = 12,578,808.90/x
  3. Step 3: Cross multiply
    23,032,647.02x = 31,785,064.84 × 12,578,808.90
  4. Step 4: Simplify right side
    23,032,647.02x = 399,818,256,496,469.06
  5. Step 5: Solve for x
    x = 399,818,256,496,469.06/23,032,647.02
  6. Step 6: Final answer
    x = 17,358,762.81

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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.