Home / 13,011,232.15-17,955,607.34-7,210,110.77

Finding the Fourth Proportional to 13,011,232.15, 17,955,607.34 and 7,210,110.77

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Solution

The fourth proportional to 13,011,232.15, 17,955,607.34 and 7,210,110.77 is: 9,950,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,232.15 : 17,955,607.34 = 7,210,110.77 : x
  2. Step 2: Convert to fraction form
    13,011,232.15/17,955,607.34 = 7,210,110.77/x
  3. Step 3: Cross multiply
    13,011,232.15x = 17,955,607.34 × 7,210,110.77
  4. Step 4: Simplify right side
    13,011,232.15x = 129,461,917,738,196.47
  5. Step 5: Solve for x
    x = 129,461,917,738,196.47/13,011,232.15
  6. Step 6: Final answer
    x = 9,950,012.14

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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.