Home / 8,312,480.92-12,457,698.90-4,268,805.40

Finding the Fourth Proportional to 8,312,480.92, 12,457,698.90 and 4,268,805.40

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Solution

The fourth proportional to 8,312,480.92, 12,457,698.90 and 4,268,805.40 is: 6,397,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,480.92 : 12,457,698.90 = 4,268,805.40 : x
  2. Step 2: Convert to fraction form
    8,312,480.92/12,457,698.90 = 4,268,805.40/x
  3. Step 3: Cross multiply
    8,312,480.92x = 12,457,698.90 × 4,268,805.40
  4. Step 4: Simplify right side
    8,312,480.92x = 53,179,492,335,894.06
  5. Step 5: Solve for x
    x = 53,179,492,335,894.06/8,312,480.92
  6. Step 6: Final answer
    x = 6,397,547.60

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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.