Home / 25,348,045.60-38,021,722.80-8,309,274.40

Finding the Fourth Proportional to 25,348,045.60, 38,021,722.80 and 8,309,274.40

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Solution

The fourth proportional to 25,348,045.60, 38,021,722.80 and 8,309,274.40 is: 12,463,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348,045.60 : 38,021,722.80 = 8,309,274.40 : x
  2. Step 2: Convert to fraction form
    25,348,045.60/38,021,722.80 = 8,309,274.40/x
  3. Step 3: Cross multiply
    25,348,045.60x = 38,021,722.80 × 8,309,274.40
  4. Step 4: Simplify right side
    25,348,045.60x = 315,932,927,905,936.31
  5. Step 5: Solve for x
    x = 315,932,927,905,936.31/25,348,045.60
  6. Step 6: Final answer
    x = 12,463,798.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.