Home / 38,417,036.52-53,014,383.22-21,013,005.34

Finding the Fourth Proportional to 38,417,036.52, 53,014,383.22 and 21,013,005.34

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Solution

The fourth proportional to 38,417,036.52, 53,014,383.22 and 21,013,005.34 is: 28,997,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417,036.52 : 53,014,383.22 = 21,013,005.34 : x
  2. Step 2: Convert to fraction form
    38,417,036.52/53,014,383.22 = 21,013,005.34/x
  3. Step 3: Cross multiply
    38,417,036.52x = 53,014,383.22 × 21,013,005.34
  4. Step 4: Simplify right side
    38,417,036.52x = 1,113,991,517,698,666.38
  5. Step 5: Solve for x
    x = 1,113,991,517,698,666.38/38,417,036.52
  6. Step 6: Final answer
    x = 28,997,330.84

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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.