Home / 13,099,826.76-19,628,017.02-7,966,730.40

Finding the Fourth Proportional to 13,099,826.76, 19,628,017.02 and 7,966,730.40

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Solution

The fourth proportional to 13,099,826.76, 19,628,017.02 and 7,966,730.40 is: 11,936,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,826.76 : 19,628,017.02 = 7,966,730.40 : x
  2. Step 2: Convert to fraction form
    13,099,826.76/19,628,017.02 = 7,966,730.40/x
  3. Step 3: Cross multiply
    13,099,826.76x = 19,628,017.02 × 7,966,730.40
  4. Step 4: Simplify right side
    13,099,826.76x = 156,371,119,884,951.41
  5. Step 5: Solve for x
    x = 156,371,119,884,951.41/13,099,826.76
  6. Step 6: Final answer
    x = 11,936,884.57

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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.