Home / 19,721,649.48-27,216,927.56-11,020,033.32

Finding the Fourth Proportional to 19,721,649.48, 27,216,927.56 and 11,020,033.32

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Solution

The fourth proportional to 19,721,649.48, 27,216,927.56 and 11,020,033.32 is: 15,208,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721,649.48 : 27,216,927.56 = 11,020,033.32 : x
  2. Step 2: Convert to fraction form
    19,721,649.48/27,216,927.56 = 11,020,033.32/x
  3. Step 3: Cross multiply
    19,721,649.48x = 27,216,927.56 × 11,020,033.32
  4. Step 4: Simplify right side
    19,721,649.48x = 299,931,448,579,226.31
  5. Step 5: Solve for x
    x = 299,931,448,579,226.31/19,721,649.48
  6. Step 6: Final answer
    x = 15,208,233.41

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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.