Home / 38,097,856.50-52,576,020.05-20,695,197.66

Finding the Fourth Proportional to 38,097,856.50, 52,576,020.05 and 20,695,197.66

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Solution

The fourth proportional to 38,097,856.50, 52,576,020.05 and 20,695,197.66 is: 28,559,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,097,856.50 : 52,576,020.05 = 20,695,197.66 : x
  2. Step 2: Convert to fraction form
    38,097,856.50/52,576,020.05 = 20,695,197.66/x
  3. Step 3: Cross multiply
    38,097,856.50x = 52,576,020.05 × 20,695,197.66
  4. Step 4: Simplify right side
    38,097,856.50x = 1,088,071,127,110,873
  5. Step 5: Solve for x
    x = 1,088,071,127,110,873/38,097,856.50
  6. Step 6: Final answer
    x = 28,559,904.08

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1.5x scale

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.