Home / 13,011,232.50-17,955,606.40-7,210,111.20

Finding the Fourth Proportional to 13,011,232.50, 17,955,606.40 and 7,210,111.20

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Solution

The fourth proportional to 13,011,232.50, 17,955,606.40 and 7,210,111.20 is: 9,950,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,232.50 : 17,955,606.40 = 7,210,111.20 : x
  2. Step 2: Convert to fraction form
    13,011,232.50/17,955,606.40 = 7,210,111.20/x
  3. Step 3: Cross multiply
    13,011,232.50x = 17,955,606.40 × 7,210,111.20
  4. Step 4: Simplify right side
    13,011,232.50x = 129,461,918,807,431.67
  5. Step 5: Solve for x
    x = 129,461,918,807,431.67/13,011,232.50
  6. Step 6: Final answer
    x = 9,950,011.95

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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.