Home / 13,011,232.40-17,955,607.68-7,210,111.02

Finding the Fourth Proportional to 13,011,232.40, 17,955,607.68 and 7,210,111.02

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Solution

The fourth proportional to 13,011,232.40, 17,955,607.68 and 7,210,111.02 is: 9,950,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,232.40 : 17,955,607.68 = 7,210,111.02 : x
  2. Step 2: Convert to fraction form
    13,011,232.40/17,955,607.68 = 7,210,111.02/x
  3. Step 3: Cross multiply
    13,011,232.40x = 17,955,607.68 × 7,210,111.02
  4. Step 4: Simplify right side
    13,011,232.40x = 129,461,924,714,586.59
  5. Step 5: Solve for x
    x = 129,461,924,714,586.59/13,011,232.40
  6. Step 6: Final answer
    x = 9,950,012.48

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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.