Home / 38,437,695.72-53,044,015.14-21,034,036.35

Finding the Fourth Proportional to 38,437,695.72, 53,044,015.14 and 21,034,036.35

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Solution

The fourth proportional to 38,437,695.72, 53,044,015.14 and 21,034,036.35 is: 29,026,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437,695.72 : 53,044,015.14 = 21,034,036.35 : x
  2. Step 2: Convert to fraction form
    38,437,695.72/53,044,015.14 = 21,034,036.35/x
  3. Step 3: Cross multiply
    38,437,695.72x = 53,044,015.14 × 21,034,036.35
  4. Step 4: Simplify right side
    38,437,695.72x = 1,115,729,742,604,710.38
  5. Step 5: Solve for x
    x = 1,115,729,742,604,710.38/38,437,695.72
  6. Step 6: Final answer
    x = 29,026,967.45

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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.