Home / 39,081,585.56-53,939,056.47-21,683,535.80

Finding the Fourth Proportional to 39,081,585.56, 53,939,056.47 and 21,683,535.80

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Solution

The fourth proportional to 39,081,585.56, 53,939,056.47 and 21,683,535.80 is: 29,926,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081,585.56 : 53,939,056.47 = 21,683,535.80 : x
  2. Step 2: Convert to fraction form
    39,081,585.56/53,939,056.47 = 21,683,535.80/x
  3. Step 3: Cross multiply
    39,081,585.56x = 53,939,056.47 × 21,683,535.80
  4. Step 4: Simplify right side
    39,081,585.56x = 1,169,589,461,985,466.75
  5. Step 5: Solve for x
    x = 1,169,589,461,985,466.75/39,081,585.56
  6. Step 6: Final answer
    x = 29,926,868.25

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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.