Home / 23,019,547.92-31,766,979.24-12,706,273.68

Finding the Fourth Proportional to 23,019,547.92, 31,766,979.24 and 12,706,273.68

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Solution

The fourth proportional to 23,019,547.92, 31,766,979.24 and 12,706,273.68 is: 17,534,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,019,547.92 : 31,766,979.24 = 12,706,273.68 : x
  2. Step 2: Convert to fraction form
    23,019,547.92/31,766,979.24 = 12,706,273.68/x
  3. Step 3: Cross multiply
    23,019,547.92x = 31,766,979.24 × 12,706,273.68
  4. Step 4: Simplify right side
    23,019,547.92x = 403,639,932,210,318.38
  5. Step 5: Solve for x
    x = 403,639,932,210,318.38/23,019,547.92
  6. Step 6: Final answer
    x = 17,534,659.40

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1.5x scale

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.