Home / 10,300,937.80-15,451,406.70-7,646,729.80

Finding the Fourth Proportional to 10,300,937.80, 15,451,406.70 and 7,646,729.80

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Solution

The fourth proportional to 10,300,937.80, 15,451,406.70 and 7,646,729.80 is: 11,470,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300,937.80 : 15,451,406.70 = 7,646,729.80 : x
  2. Step 2: Convert to fraction form
    10,300,937.80/15,451,406.70 = 7,646,729.80/x
  3. Step 3: Cross multiply
    10,300,937.80x = 15,451,406.70 × 7,646,729.80
  4. Step 4: Simplify right side
    10,300,937.80x = 118,152,732,064,809.66
  5. Step 5: Solve for x
    x = 118,152,732,064,809.66/10,300,937.80
  6. Step 6: Final answer
    x = 11,470,094.70

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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.