Home / 15,533,074.48-21,426,754.35-9,721,767.15

Finding the Fourth Proportional to 15,533,074.48, 21,426,754.35 and 9,721,767.15

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Solution

The fourth proportional to 15,533,074.48, 21,426,754.35 and 9,721,767.15 is: 13,410,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,074.48 : 21,426,754.35 = 9,721,767.15 : x
  2. Step 2: Convert to fraction form
    15,533,074.48/21,426,754.35 = 9,721,767.15/x
  3. Step 3: Cross multiply
    15,533,074.48x = 21,426,754.35 × 9,721,767.15
  4. Step 4: Simplify right side
    15,533,074.48x = 208,305,916,570,949.62
  5. Step 5: Solve for x
    x = 208,305,916,570,949.62/15,533,074.48
  6. Step 6: Final answer
    x = 13,410,475.62

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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.