Home / 8,742,939.92-12,065,309.16-4,875,705.20

Finding the Fourth Proportional to 8,742,939.92, 12,065,309.16 and 4,875,705.20

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Solution

The fourth proportional to 8,742,939.92, 12,065,309.16 and 4,875,705.20 is: 6,728,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,939.92 : 12,065,309.16 = 4,875,705.20 : x
  2. Step 2: Convert to fraction form
    8,742,939.92/12,065,309.16 = 4,875,705.20/x
  3. Step 3: Cross multiply
    8,742,939.92x = 12,065,309.16 × 4,875,705.20
  4. Step 4: Simplify right side
    8,742,939.92x = 58,826,890,611,019.63
  5. Step 5: Solve for x
    x = 58,826,890,611,019.63/8,742,939.92
  6. Step 6: Final answer
    x = 6,728,502.21

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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.