Home / 39,016,973.81-53,842,703.46-21,612,937.16

Finding the Fourth Proportional to 39,016,973.81, 53,842,703.46 and 21,612,937.16

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Solution

The fourth proportional to 39,016,973.81, 53,842,703.46 and 21,612,937.16 is: 29,825,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016,973.81 : 53,842,703.46 = 21,612,937.16 : x
  2. Step 2: Convert to fraction form
    39,016,973.81/53,842,703.46 = 21,612,937.16/x
  3. Step 3: Cross multiply
    39,016,973.81x = 53,842,703.46 × 21,612,937.16
  4. Step 4: Simplify right side
    39,016,973.81x = 1,163,698,966,405,494.50
  5. Step 5: Solve for x
    x = 1,163,698,966,405,494.50/39,016,973.81
  6. Step 6: Final answer
    x = 29,825,454.23

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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.