Home / 14,256,085.80-21,384,128.70-5,158,165.80

Finding the Fourth Proportional to 14,256,085.80, 21,384,128.70 and 5,158,165.80

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Solution

The fourth proportional to 14,256,085.80, 21,384,128.70 and 5,158,165.80 is: 7,737,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256,085.80 : 21,384,128.70 = 5,158,165.80 : x
  2. Step 2: Convert to fraction form
    14,256,085.80/21,384,128.70 = 5,158,165.80/x
  3. Step 3: Cross multiply
    14,256,085.80x = 21,384,128.70 × 5,158,165.80
  4. Step 4: Simplify right side
    14,256,085.80x = 110,302,881,323,138.45
  5. Step 5: Solve for x
    x = 110,302,881,323,138.45/14,256,085.80
  6. Step 6: Final answer
    x = 7,737,248.70

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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.