Home / 28,997,250.78-40,017,642.54-17,987,547.78

Finding the Fourth Proportional to 28,997,250.78, 40,017,642.54 and 17,987,547.78

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Solution

The fourth proportional to 28,997,250.78, 40,017,642.54 and 17,987,547.78 is: 24,823,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997,250.78 : 40,017,642.54 = 17,987,547.78 : x
  2. Step 2: Convert to fraction form
    28,997,250.78/40,017,642.54 = 17,987,547.78/x
  3. Step 3: Cross multiply
    28,997,250.78x = 40,017,642.54 × 17,987,547.78
  4. Step 4: Simplify right side
    28,997,250.78x = 719,819,257,231,210.62
  5. Step 5: Solve for x
    x = 719,819,257,231,210.62/28,997,250.78
  6. Step 6: Final answer
    x = 24,823,707.00

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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.