Home / 10,143,178.96-13,997,925.48-5,559,512.08

Finding the Fourth Proportional to 10,143,178.96, 13,997,925.48 and 5,559,512.08

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Solution

The fourth proportional to 10,143,178.96, 13,997,925.48 and 5,559,512.08 is: 7,672,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,178.96 : 13,997,925.48 = 5,559,512.08 : x
  2. Step 2: Convert to fraction form
    10,143,178.96/13,997,925.48 = 5,559,512.08/x
  3. Step 3: Cross multiply
    10,143,178.96x = 13,997,925.48 × 5,559,512.08
  4. Step 4: Simplify right side
    10,143,178.96x = 77,821,635,800,999.80
  5. Step 5: Solve for x
    x = 77,821,635,800,999.80/10,143,178.96
  6. Step 6: Final answer
    x = 7,672,312.21

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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.