Home / 12,457,127.70-18,668,195.55-9,902,711.70

Finding the Fourth Proportional to 12,457,127.70, 18,668,195.55 and 9,902,711.70

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Solution

The fourth proportional to 12,457,127.70, 18,668,195.55 and 9,902,711.70 is: 14,840,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,127.70 : 18,668,195.55 = 9,902,711.70 : x
  2. Step 2: Convert to fraction form
    12,457,127.70/18,668,195.55 = 9,902,711.70/x
  3. Step 3: Cross multiply
    12,457,127.70x = 18,668,195.55 × 9,902,711.70
  4. Step 4: Simplify right side
    12,457,127.70x = 184,865,758,490,872.94
  5. Step 5: Solve for x
    x = 184,865,758,490,872.94/12,457,127.70
  6. Step 6: Final answer
    x = 14,840,159.22

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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.