Home / 10,656,400.80-15,984,601.20-4,672,768.80

Finding the Fourth Proportional to 10,656,400.80, 15,984,601.20 and 4,672,768.80

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Solution

The fourth proportional to 10,656,400.80, 15,984,601.20 and 4,672,768.80 is: 7,009,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,400.80 : 15,984,601.20 = 4,672,768.80 : x
  2. Step 2: Convert to fraction form
    10,656,400.80/15,984,601.20 = 4,672,768.80/x
  3. Step 3: Cross multiply
    10,656,400.80x = 15,984,601.20 × 4,672,768.80
  4. Step 4: Simplify right side
    10,656,400.80x = 74,692,345,767,802.55
  5. Step 5: Solve for x
    x = 74,692,345,767,802.55/10,656,400.80
  6. Step 6: Final answer
    x = 7,009,153.20

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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.