Home / 38,670,308.28-53,363,959.56-21,266,653.08

Finding the Fourth Proportional to 38,670,308.28, 53,363,959.56 and 21,266,653.08

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Solution

The fourth proportional to 38,670,308.28, 53,363,959.56 and 21,266,653.08 is: 29,347,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670,308.28 : 53,363,959.56 = 21,266,653.08 : x
  2. Step 2: Convert to fraction form
    38,670,308.28/53,363,959.56 = 21,266,653.08/x
  3. Step 3: Cross multiply
    38,670,308.28x = 53,363,959.56 × 21,266,653.08
  4. Step 4: Simplify right side
    38,670,308.28x = 1,134,872,814,937,669.50
  5. Step 5: Solve for x
    x = 1,134,872,814,937,669.50/38,670,308.28
  6. Step 6: Final answer
    x = 29,347,395.08

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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.