Home / 15,819,355.16-21,830,513.53-9,293,579.49

Finding the Fourth Proportional to 15,819,355.16, 21,830,513.53 and 9,293,579.49

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Solution

The fourth proportional to 15,819,355.16, 21,830,513.53 and 9,293,579.49 is: 12,825,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819,355.16 : 21,830,513.53 = 9,293,579.49 : x
  2. Step 2: Convert to fraction form
    15,819,355.16/21,830,513.53 = 9,293,579.49/x
  3. Step 3: Cross multiply
    15,819,355.16x = 21,830,513.53 × 9,293,579.49
  4. Step 4: Simplify right side
    15,819,355.16x = 202,883,612,798,575.53
  5. Step 5: Solve for x
    x = 202,883,612,798,575.53/15,819,355.16
  6. Step 6: Final answer
    x = 12,825,024.20

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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.