Home / 8,688,077.70-13,032,116.55-6,676,475.10

Finding the Fourth Proportional to 8,688,077.70, 13,032,116.55 and 6,676,475.10

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Solution

The fourth proportional to 8,688,077.70, 13,032,116.55 and 6,676,475.10 is: 10,014,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,077.70 : 13,032,116.55 = 6,676,475.10 : x
  2. Step 2: Convert to fraction form
    8,688,077.70/13,032,116.55 = 6,676,475.10/x
  3. Step 3: Cross multiply
    8,688,077.70x = 13,032,116.55 × 6,676,475.10
  4. Step 4: Simplify right side
    8,688,077.70x = 87,008,601,646,372.91
  5. Step 5: Solve for x
    x = 87,008,601,646,372.91/8,688,077.70
  6. Step 6: Final answer
    x = 10,014,712.65

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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.