Home / 38,437,973.18-53,044,405.81-21,034,319.25

Finding the Fourth Proportional to 38,437,973.18, 53,044,405.81 and 21,034,319.25

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Solution

The fourth proportional to 38,437,973.18, 53,044,405.81 and 21,034,319.25 is: 29,027,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437,973.18 : 53,044,405.81 = 21,034,319.25 : x
  2. Step 2: Convert to fraction form
    38,437,973.18/53,044,405.81 = 21,034,319.25/x
  3. Step 3: Cross multiply
    38,437,973.18x = 53,044,405.81 × 21,034,319.25
  4. Step 4: Simplify right side
    38,437,973.18x = 1,115,752,966,380,425.50
  5. Step 5: Solve for x
    x = 1,115,752,966,380,425.50/38,437,973.18
  6. Step 6: Final answer
    x = 29,027,362.11

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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.