Home / 13,645,398.92-18,830,507.48-7,450,426.32

Finding the Fourth Proportional to 13,645,398.92, 18,830,507.48 and 7,450,426.32

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Solution

The fourth proportional to 13,645,398.92, 18,830,507.48 and 7,450,426.32 is: 10,281,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,398.92 : 18,830,507.48 = 7,450,426.32 : x
  2. Step 2: Convert to fraction form
    13,645,398.92/18,830,507.48 = 7,450,426.32/x
  3. Step 3: Cross multiply
    13,645,398.92x = 18,830,507.48 × 7,450,426.32
  4. Step 4: Simplify right side
    13,645,398.92x = 140,295,308,552,992.45
  5. Step 5: Solve for x
    x = 140,295,308,552,992.45/13,645,398.92
  6. Step 6: Final answer
    x = 10,281,510.23

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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.