Home / 18,134,384.80-27,201,577.20-4,671,212.80

Finding the Fourth Proportional to 18,134,384.80, 27,201,577.20 and 4,671,212.80

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Solution

The fourth proportional to 18,134,384.80, 27,201,577.20 and 4,671,212.80 is: 7,006,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,384.80 : 27,201,577.20 = 4,671,212.80 : x
  2. Step 2: Convert to fraction form
    18,134,384.80/27,201,577.20 = 4,671,212.80/x
  3. Step 3: Cross multiply
    18,134,384.80x = 27,201,577.20 × 4,671,212.80
  4. Step 4: Simplify right side
    18,134,384.80x = 127,064,355,596,828.16
  5. Step 5: Solve for x
    x = 127,064,355,596,828.16/18,134,384.80
  6. Step 6: Final answer
    x = 7,006,819.20

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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.