Home / 10,143,180.46-13,997,927.55-5,559,513.58

Finding the Fourth Proportional to 10,143,180.46, 13,997,927.55 and 5,559,513.58

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Solution

The fourth proportional to 10,143,180.46, 13,997,927.55 and 5,559,513.58 is: 7,672,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,180.46 : 13,997,927.55 = 5,559,513.58 : x
  2. Step 2: Convert to fraction form
    10,143,180.46/13,997,927.55 = 5,559,513.58/x
  3. Step 3: Cross multiply
    10,143,180.46x = 13,997,927.55 × 5,559,513.58
  4. Step 4: Simplify right side
    10,143,180.46x = 77,821,668,306,081.14
  5. Step 5: Solve for x
    x = 77,821,668,306,081.14/10,143,180.46
  6. Step 6: Final answer
    x = 7,672,314.28

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1.5x scale

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.