Home / 19,232,896.43-28,803,547.22-11,128,792.97

Finding the Fourth Proportional to 19,232,896.43, 28,803,547.22 and 11,128,792.97

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Solution

The fourth proportional to 19,232,896.43, 28,803,547.22 and 11,128,792.97 is: 16,666,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232,896.43 : 28,803,547.22 = 11,128,792.97 : x
  2. Step 2: Convert to fraction form
    19,232,896.43/28,803,547.22 = 11,128,792.97/x
  3. Step 3: Cross multiply
    19,232,896.43x = 28,803,547.22 × 11,128,792.97
  4. Step 4: Simplify right side
    19,232,896.43x = 320,548,713,613,337.31
  5. Step 5: Solve for x
    x = 320,548,713,613,337.31/19,232,896.43
  6. Step 6: Final answer
    x = 16,666,689.54

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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.