Home / 14,043,025.80-21,064,538.70-8,634,137.40

Finding the Fourth Proportional to 14,043,025.80, 21,064,538.70 and 8,634,137.40

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Solution

The fourth proportional to 14,043,025.80, 21,064,538.70 and 8,634,137.40 is: 12,951,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,025.80 : 21,064,538.70 = 8,634,137.40 : x
  2. Step 2: Convert to fraction form
    14,043,025.80/21,064,538.70 = 8,634,137.40/x
  3. Step 3: Cross multiply
    14,043,025.80x = 21,064,538.70 × 8,634,137.40
  4. Step 4: Simplify right side
    14,043,025.80x = 181,874,121,403,417.38
  5. Step 5: Solve for x
    x = 181,874,121,403,417.38/14,043,025.80
  6. Step 6: Final answer
    x = 12,951,206.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.