Home / 39,020,309.47-53,851,333.81-21,622,112.11

Finding the Fourth Proportional to 39,020,309.47, 53,851,333.81 and 21,622,112.11

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Solution

The fourth proportional to 39,020,309.47, 53,851,333.81 and 21,622,112.11 is: 29,840,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,309.47 : 53,851,333.81 = 21,622,112.11 : x
  2. Step 2: Convert to fraction form
    39,020,309.47/53,851,333.81 = 21,622,112.11/x
  3. Step 3: Cross multiply
    39,020,309.47x = 53,851,333.81 × 21,622,112.11
  4. Step 4: Simplify right side
    39,020,309.47x = 1,164,379,576,602,873.75
  5. Step 5: Solve for x
    x = 1,164,379,576,602,873.75/39,020,309.47
  6. Step 6: Final answer
    x = 29,840,347.05

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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.