Home / 12,070,340.40-16,655,810.04-6,913,919.28

Finding the Fourth Proportional to 12,070,340.40, 16,655,810.04 and 6,913,919.28

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Solution

The fourth proportional to 12,070,340.40, 16,655,810.04 and 6,913,919.28 is: 9,540,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,340.40 : 16,655,810.04 = 6,913,919.28 : x
  2. Step 2: Convert to fraction form
    12,070,340.40/16,655,810.04 = 6,913,919.28/x
  3. Step 3: Cross multiply
    12,070,340.40x = 16,655,810.04 × 6,913,919.28
  4. Step 4: Simplify right side
    12,070,340.40x = 115,156,926,159,573.56
  5. Step 5: Solve for x
    x = 115,156,926,159,573.56/12,070,340.40
  6. Step 6: Final answer
    x = 9,540,487.04

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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.