Home / 38,566,749.92-53,222,038.61-20,925,646.72

Finding the Fourth Proportional to 38,566,749.92, 53,222,038.61 and 20,925,646.72

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Solution

The fourth proportional to 38,566,749.92, 53,222,038.61 and 20,925,646.72 is: 28,877,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566,749.92 : 53,222,038.61 = 20,925,646.72 : x
  2. Step 2: Convert to fraction form
    38,566,749.92/53,222,038.61 = 20,925,646.72/x
  3. Step 3: Cross multiply
    38,566,749.92x = 53,222,038.61 × 20,925,646.72
  4. Step 4: Simplify right side
    38,566,749.92x = 1,113,705,577,433,376.50
  5. Step 5: Solve for x
    x = 1,113,705,577,433,376.50/38,566,749.92
  6. Step 6: Final answer
    x = 28,877,351.08

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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.