Home / 15,533,075.48-21,426,755.73-9,721,768.15

Finding the Fourth Proportional to 15,533,075.48, 21,426,755.73 and 9,721,768.15

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Solution

The fourth proportional to 15,533,075.48, 21,426,755.73 and 9,721,768.15 is: 13,410,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,075.48 : 21,426,755.73 = 9,721,768.15 : x
  2. Step 2: Convert to fraction form
    15,533,075.48/21,426,755.73 = 9,721,768.15/x
  3. Step 3: Cross multiply
    15,533,075.48x = 21,426,755.73 × 9,721,768.15
  4. Step 4: Simplify right side
    15,533,075.48x = 208,305,951,413,744
  5. Step 5: Solve for x
    x = 208,305,951,413,744/15,533,075.48
  6. Step 6: Final answer
    x = 13,410,477.00

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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.