Home / 21,575,643.24-29,775,292.56-12,408,293.28

Finding the Fourth Proportional to 21,575,643.24, 29,775,292.56 and 12,408,293.28

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Solution

The fourth proportional to 21,575,643.24, 29,775,292.56 and 12,408,293.28 is: 17,123,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,643.24 : 29,775,292.56 = 12,408,293.28 : x
  2. Step 2: Convert to fraction form
    21,575,643.24/29,775,292.56 = 12,408,293.28/x
  3. Step 3: Cross multiply
    21,575,643.24x = 29,775,292.56 × 12,408,293.28
  4. Step 4: Simplify right side
    21,575,643.24x = 369,460,562,582,281.94
  5. Step 5: Solve for x
    x = 369,460,562,582,281.94/21,575,643.24
  6. Step 6: Final answer
    x = 17,123,965.13

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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.