Home / 38,308,233.61-52,866,478.90-20,905,699.83

Finding the Fourth Proportional to 38,308,233.61, 52,866,478.90 and 20,905,699.83

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Solution

The fourth proportional to 38,308,233.61, 52,866,478.90 and 20,905,699.83 is: 28,850,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,233.61 : 52,866,478.90 = 20,905,699.83 : x
  2. Step 2: Convert to fraction form
    38,308,233.61/52,866,478.90 = 20,905,699.83/x
  3. Step 3: Cross multiply
    38,308,233.61x = 52,866,478.90 × 20,905,699.83
  4. Step 4: Simplify right side
    38,308,233.61x = 1,105,210,738,952,428.50
  5. Step 5: Solve for x
    x = 1,105,210,738,952,428.50/38,308,233.61
  6. Step 6: Final answer
    x = 28,850,475.08

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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.