Home / 8,705,478.48-13,060,429.56-5,114,281.68

Finding the Fourth Proportional to 8,705,478.48, 13,060,429.56 and 5,114,281.68

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Solution

The fourth proportional to 8,705,478.48, 13,060,429.56 and 5,114,281.68 is: 7,672,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,478.48 : 13,060,429.56 = 5,114,281.68 : x
  2. Step 2: Convert to fraction form
    8,705,478.48/13,060,429.56 = 5,114,281.68/x
  3. Step 3: Cross multiply
    8,705,478.48x = 13,060,429.56 × 5,114,281.68
  4. Step 4: Simplify right side
    8,705,478.48x = 66,794,715,631,638.46
  5. Step 5: Solve for x
    x = 66,794,715,631,638.46/8,705,478.48
  6. Step 6: Final answer
    x = 7,672,721.93

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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.