Home / 40,513,526.82-55,908,669.74-22,178,812.32

Finding the Fourth Proportional to 40,513,526.82, 55,908,669.74 and 22,178,812.32

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Solution

The fourth proportional to 40,513,526.82, 55,908,669.74 and 22,178,812.32 is: 30,606,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513,526.82 : 55,908,669.74 = 22,178,812.32 : x
  2. Step 2: Convert to fraction form
    40,513,526.82/55,908,669.74 = 22,178,812.32/x
  3. Step 3: Cross multiply
    40,513,526.82x = 55,908,669.74 × 22,178,812.32
  4. Step 4: Simplify right side
    40,513,526.82x = 1,239,987,893,113,429.25
  5. Step 5: Solve for x
    x = 1,239,987,893,113,429.25/40,513,526.82
  6. Step 6: Final answer
    x = 30,606,762.49

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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.