Home / 15,533,073.48-21,426,752.97-9,721,766.15

Finding the Fourth Proportional to 15,533,073.48, 21,426,752.97 and 9,721,766.15

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Solution

The fourth proportional to 15,533,073.48, 21,426,752.97 and 9,721,766.15 is: 13,410,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,073.48 : 21,426,752.97 = 9,721,766.15 : x
  2. Step 2: Convert to fraction form
    15,533,073.48/21,426,752.97 = 9,721,766.15/x
  3. Step 3: Cross multiply
    15,533,073.48x = 21,426,752.97 × 9,721,766.15
  4. Step 4: Simplify right side
    15,533,073.48x = 208,305,881,621,024.19
  5. Step 5: Solve for x
    x = 208,305,881,621,024.19/15,533,073.48
  6. Step 6: Final answer
    x = 13,410,474.23

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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.