Home / 12,310,885.47-16,989,901.10-6,804,142.04

Finding the Fourth Proportional to 12,310,885.47, 16,989,901.10 and 6,804,142.04

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Solution

The fourth proportional to 12,310,885.47, 16,989,901.10 and 6,804,142.04 is: 9,390,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,885.47 : 16,989,901.10 = 6,804,142.04 : x
  2. Step 2: Convert to fraction form
    12,310,885.47/16,989,901.10 = 6,804,142.04/x
  3. Step 3: Cross multiply
    12,310,885.47x = 16,989,901.10 × 6,804,142.04
  4. Step 4: Simplify right side
    12,310,885.47x = 115,601,700,210,982.02
  5. Step 5: Solve for x
    x = 115,601,700,210,982.02/12,310,885.47
  6. Step 6: Final answer
    x = 9,390,201.91

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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.