Home / 12,310,854.55-16,989,858.40-6,804,111.06

Finding the Fourth Proportional to 12,310,854.55, 16,989,858.40 and 6,804,111.06

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Solution

The fourth proportional to 12,310,854.55, 16,989,858.40 and 6,804,111.06 is: 9,390,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,854.55 : 16,989,858.40 = 6,804,111.06 : x
  2. Step 2: Convert to fraction form
    12,310,854.55/16,989,858.40 = 6,804,111.06/x
  3. Step 3: Cross multiply
    12,310,854.55x = 16,989,858.40 × 6,804,111.06
  4. Step 4: Simplify right side
    12,310,854.55x = 115,600,883,447,273.89
  5. Step 5: Solve for x
    x = 115,600,883,447,273.89/12,310,854.55
  6. Step 6: Final answer
    x = 9,390,159.15

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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.