Home / 9,771,000-13,485,597.10-5,421,487.56

Finding the Fourth Proportional to 9,771,000, 13,485,597.10 and 5,421,487.56

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Solution

The fourth proportional to 9,771,000, 13,485,597.10 and 5,421,487.56 is: 7,482,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,000 : 13,485,597.10 = 5,421,487.56 : x
  2. Step 2: Convert to fraction form
    9,771,000/13,485,597.10 = 5,421,487.56/x
  3. Step 3: Cross multiply
    9,771,000x = 13,485,597.10 × 5,421,487.56
  4. Step 4: Simplify right side
    9,771,000x = 73,111,996,916,822.06
  5. Step 5: Solve for x
    x = 73,111,996,916,822.06/9,771,000
  6. Step 6: Final answer
    x = 7,482,550.09

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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.