Home / 40,513,525.31-55,908,667.67-22,178,810.81

Finding the Fourth Proportional to 40,513,525.31, 55,908,667.67 and 22,178,810.81

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Solution

The fourth proportional to 40,513,525.31, 55,908,667.67 and 22,178,810.81 is: 30,606,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513,525.31 : 55,908,667.67 = 22,178,810.81 : x
  2. Step 2: Convert to fraction form
    40,513,525.31/55,908,667.67 = 22,178,810.81/x
  3. Step 3: Cross multiply
    40,513,525.31x = 55,908,667.67 × 22,178,810.81
  4. Step 4: Simplify right side
    40,513,525.31x = 1,239,987,762,920,971
  5. Step 5: Solve for x
    x = 1,239,987,762,920,971/40,513,525.31
  6. Step 6: Final answer
    x = 30,606,760.42

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1.5x scale

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.