Home / 13,011,419.96-17,955,865.86-7,210,298.60

Finding the Fourth Proportional to 13,011,419.96, 17,955,865.86 and 7,210,298.60

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Solution

The fourth proportional to 13,011,419.96, 17,955,865.86 and 7,210,298.60 is: 9,950,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,419.96 : 17,955,865.86 = 7,210,298.60 : x
  2. Step 2: Convert to fraction form
    13,011,419.96/17,955,865.86 = 7,210,298.60/x
  3. Step 3: Cross multiply
    13,011,419.96x = 17,955,865.86 × 7,210,298.60
  4. Step 4: Simplify right side
    13,011,419.96x = 129,467,154,472,145.78
  5. Step 5: Solve for x
    x = 129,467,154,472,145.78/13,011,419.96
  6. Step 6: Final answer
    x = 9,950,270.98

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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.