Home / 14,041,379.70-21,020,079.15-13,210,902.90

Finding the Fourth Proportional to 14,041,379.70, 21,020,079.15 and 13,210,902.90

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Solution

The fourth proportional to 14,041,379.70, 21,020,079.15 and 13,210,902.90 is: 19,776,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041,379.70 : 21,020,079.15 = 13,210,902.90 : x
  2. Step 2: Convert to fraction form
    14,041,379.70/21,020,079.15 = 13,210,902.90/x
  3. Step 3: Cross multiply
    14,041,379.70x = 21,020,079.15 × 13,210,902.90
  4. Step 4: Simplify right side
    14,041,379.70x = 277,694,224,600,964.53
  5. Step 5: Solve for x
    x = 277,694,224,600,964.53/14,041,379.70
  6. Step 6: Final answer
    x = 19,776,847.47

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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.