Home / 31,994,127.23-47,996,168.09-10,423,709.78

Finding the Fourth Proportional to 31,994,127.23, 47,996,168.09 and 10,423,709.78

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Solution

The fourth proportional to 31,994,127.23, 47,996,168.09 and 10,423,709.78 is: 15,637,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,994,127.23 : 47,996,168.09 = 10,423,709.78 : x
  2. Step 2: Convert to fraction form
    31,994,127.23/47,996,168.09 = 10,423,709.78/x
  3. Step 3: Cross multiply
    31,994,127.23x = 47,996,168.09 × 10,423,709.78
  4. Step 4: Simplify right side
    31,994,127.23x = 500,298,126,430,157.56
  5. Step 5: Solve for x
    x = 500,298,126,430,157.56/31,994,127.23
  6. Step 6: Final answer
    x = 15,637,186.25

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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.