Home / 8,628,443.10-12,942,664.65-8,516,468.70

Finding the Fourth Proportional to 8,628,443.10, 12,942,664.65 and 8,516,468.70

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Solution

The fourth proportional to 8,628,443.10, 12,942,664.65 and 8,516,468.70 is: 12,774,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,443.10 : 12,942,664.65 = 8,516,468.70 : x
  2. Step 2: Convert to fraction form
    8,628,443.10/12,942,664.65 = 8,516,468.70/x
  3. Step 3: Cross multiply
    8,628,443.10x = 12,942,664.65 × 8,516,468.70
  4. Step 4: Simplify right side
    8,628,443.10x = 110,225,798,386,321.45
  5. Step 5: Solve for x
    x = 110,225,798,386,321.45/8,628,443.10
  6. Step 6: Final answer
    x = 12,774,703.05

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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.