Home / 19,123,742.92-26,389,995.32-10,421,728.70

Finding the Fourth Proportional to 19,123,742.92, 26,389,995.32 and 10,421,728.70

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Solution

The fourth proportional to 19,123,742.92, 26,389,995.32 and 10,421,728.70 is: 14,381,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,742.92 : 26,389,995.32 = 10,421,728.70 : x
  2. Step 2: Convert to fraction form
    19,123,742.92/26,389,995.32 = 10,421,728.70/x
  3. Step 3: Cross multiply
    19,123,742.92x = 26,389,995.32 × 10,421,728.70
  4. Step 4: Simplify right side
    19,123,742.92x = 275,029,371,587,900.69
  5. Step 5: Solve for x
    x = 275,029,371,587,900.69/19,123,742.92
  6. Step 6: Final answer
    x = 14,381,566.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.