Home / 8,189,457.40-12,284,186.10-3,640,497.40

Finding the Fourth Proportional to 8,189,457.40, 12,284,186.10 and 3,640,497.40

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Solution

The fourth proportional to 8,189,457.40, 12,284,186.10 and 3,640,497.40 is: 5,460,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,457.40 : 12,284,186.10 = 3,640,497.40 : x
  2. Step 2: Convert to fraction form
    8,189,457.40/12,284,186.10 = 3,640,497.40/x
  3. Step 3: Cross multiply
    8,189,457.40x = 12,284,186.10 × 3,640,497.40
  4. Step 4: Simplify right side
    8,189,457.40x = 44,720,547,558,166.14
  5. Step 5: Solve for x
    x = 44,720,547,558,166.14/8,189,457.40
  6. Step 6: Final answer
    x = 5,460,746.10

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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.