Home / 13,011,232.18-17,955,607.40-7,210,110.80

Finding the Fourth Proportional to 13,011,232.18, 17,955,607.40 and 7,210,110.80

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Solution

The fourth proportional to 13,011,232.18, 17,955,607.40 and 7,210,110.80 is: 9,950,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,232.18 : 17,955,607.40 = 7,210,110.80 : x
  2. Step 2: Convert to fraction form
    13,011,232.18/17,955,607.40 = 7,210,110.80/x
  3. Step 3: Cross multiply
    13,011,232.18x = 17,955,607.40 × 7,210,110.80
  4. Step 4: Simplify right side
    13,011,232.18x = 129,461,918,835,299.91
  5. Step 5: Solve for x
    x = 129,461,918,835,299.91/13,011,232.18
  6. Step 6: Final answer
    x = 9,950,012.19

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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.