Home / 13,210,255.30-19,796,720.55-9,771,708.10

Finding the Fourth Proportional to 13,210,255.30, 19,796,720.55 and 9,771,708.10

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Solution

The fourth proportional to 13,210,255.30, 19,796,720.55 and 9,771,708.10 is: 14,643,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,255.30 : 19,796,720.55 = 9,771,708.10 : x
  2. Step 2: Convert to fraction form
    13,210,255.30/19,796,720.55 = 9,771,708.10/x
  3. Step 3: Cross multiply
    13,210,255.30x = 19,796,720.55 × 9,771,708.10
  4. Step 4: Simplify right side
    13,210,255.30x = 193,447,774,551,871.47
  5. Step 5: Solve for x
    x = 193,447,774,551,871.47/13,210,255.30
  6. Step 6: Final answer
    x = 14,643,757.46

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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.